ライフサイエンスコーパス: positivity

1 gic parameters to more accurately predict SN positivity.

2 e associations with self-reported SARS-CoV-2 positivity.

3 ndependent, published biomarker cut-offs for positivity.

4 ophage and antibiotic exposure on diagnostic positivity.

5 riables were assessed as correlates of viral positivity.

6 We observed a 37% incidence of EBV-positivity.

7 nterobserver agreement and predictors of PET positivity.

8 treated with the reagent above, which showed positivity.

9 no effects of study cohort or APOE epsilon4 positivity.

10 dization for SARS-CoV-2 showed no definitive positivity.

11 L-M) score using multiple L-M thresholds for positivity.

12 e, as well as antibiotics, impact diagnostic positivity.

13 level was significantly associated with scan positivity.

14 1.40-3.33] were associated with HCV antibody positivity.

15 17 after symptom onset and day 13 after PCR positivity.

16 d to evaluate associations with HCV antibody positivity.

17 is identified two latent factors: stress and positivity.

18 mancy status predicted cough aerosol culture positivity.

19 Deauville score of 4 is used as a cutoff for positivity.

20 .56; 1.74-3.76) were associated with HCV RNA positivity.

21 ler models including only MSM status and STI positivity.

22 ibody test result at the time of the HCV RNA positivity.

23 hain reaction (qRT-PCR) to determine malaria positivity.

24 rsened by human immunodeficiency virus (HIV)-positivity.

25 e HCV antibody result at the time of HCV RNA positivity.

26 ity and inhomogeneity (MGD, MGI), and HLA-DR positivity.

27 inference: exchangeability, consistency, and positivity.

28 somal gains, CN-LOH, DAXX mutations, and ALT-positivity.

29 es of encephalitis, rather than autoantibody positivity.

30 h aldehyde dehydrogenase activity, and CD133 positivity.

31 l forms of movement frequency and SARS-CoV-2 positivity.

32 with increased odds of progression to Abeta positivity.

33 pical findings of KS together with the HHV-8 positivity.

34 ion between antibiotic use and blood culture positivity.

35 ning an optimal cutoff for (18)F-AZD4694 PET positivity.

36 observe SARS-CoV-2 in specimens with RT-PCR positivity.

37 istics of patients with recurrent SARS-CoV-2 positivity.

38 eters were not generally predictive of HHV-6 positivity.

39 documented case with androgen receptor stain positivity.

40 icosteroids apparently did not influence RNA positivity.

41 ults showed that breast lesions showed false positivity (59.1%) and false negativity (8.3%) in ARFI U

42 necrosis by trypan blue and propidium iodide positivity, absence of mitochondrial death pathway and c

43 Maternal resilience (positivity accounting for stress) was significantly and

44 ession, HIV and age were associated with VIA positivity (adjusted Odds Ratio [aOR]: 3.53, 95% CI: 1.1

45 effect of antimicrobial use on blood culture positivity, adjusted for markers of disease severity.

46 ficantly predicted progression time to Abeta positivity (ADNI memory factor composite was trend level

47 r on the stress factor, in order to quantify positivity after accounting for stress.

48 lso discuss the mechanism of persistent HRP2 positivity after effective antimalarial treatment, along

49 tionship between various single-antigen bead positivity algorithms and the impact of resulting donor-

50 fection was detected based on serum antibody positivity also had a reduced risk of cancer (SHR 0.74;

51 1.32-fold increased odds of 24-hour culture positivity, although this was not statistically signific

52 Assuming 25% prevalence of TST positivity among 1000 household contacts aged 0-17 years

53 Assuming 25% prevalence of TST positivity among adult contacts, a treat-all approach wo

54 the characteristics associated with anti-HBc positivity among adults with IDU histories.

55 This study describes SARS-CoV-2 PCR test positivity among health care workers before, during, and

56 study compares rates of coronavirus PCR test positivity among Israelis with symptoms suspicious for C

57 te changes in gonorrhea testing patterns and positivity among men in Massachusetts.

58 Positivity among those screened was syphilis, 7.8% (n =

59 Positivity among those screened was: syphilis: 7.8%(n=18

60 tions and also associated with blood culture positivity and 28-day mortality risk.

61 Median lead time between ctHPVDNA positivity and biopsy-proven recurrence was 3.9 months (

62 atients at high risk of recurrent SARS-CoV-2 positivity and help to establish protocols for health po

63 The correlation between (11)C-choline PET/CT positivity and initial treatment, Gleason score, Nationa

64 The correlation between (11)C-choline PET/CT positivity and initial treatment, Gleason score, NCCN st

65 Tumor ERG positivity and PTEN loss were associated with more exten

66 gG and IgM levels were higher, long-term IgM positivity and radiographic damage were more frequent.

67 s were significantly associated with rat IgG positivity and RT-PCR positivity (P = .03 and P = .006,

68 d male, the first documented case with GATA3 positivity and the second documented case with androgen

69 le organ dysfunction severity, blood culture positivity, and 28-day mortality, was confirmed in the v

70 % sensitivity, 93.4% specificity, 6.6% false positivity, and 4.8% false negativity.

71 a substantial proportion of PD-L1 and PD-L2 positivity, and a conspicuous CD8-positive T-lymphocytic

72 luate order volume, positivity rate, time to positivity, and etiologies of positive cultures in COVID

73 ger breast size/surgical deficit, lymph node positivity, and higher levels of anxiety/depression were

74 ibrin, vessel caliber, extent of injury, C4d positivity, and inflammatory cell phenotyping.

75 PD-L1 positivity appears to be predictive of pembrolizumab eff

76 HER2 3+ overexpression and Grb7 positivity are potentially predictive for survival and t

77 ed six features which predicted autoantibody positivity (area under the curve=0.83): age >=54 years,

78 Our findings identify nuclear YAP1 and TAZ positivity as a common feature in subsets of sarcomas of

79 roefficacy trials) rather than blood culture positivity as a study endpoint may be useful to assess e

80 Secondary outcomes included positivity as well as positive and negative predictive v

81 Toxin positivity associated with IDSA severity, but not primar

82 s sputum-smear microscopy and sputum-culture positivity at 2 and 6 months.

83 overall clinical events, while serum HDV RNA positivity at baseline did not correlate with any clinic

84 not as predictive as day 7 cultures, culture positivity at day 3 after starting treatment is a signif

85 Culture positivity at day 3 conferred a hazard ratio of 2.8 for

86 Culture positivity at day 7 had a hazard ratio of 3.5 for requir

87 cal assay, four tests achieved more than 80% positivity at later time points tested and more than 95%

88 norrhea/chlamydia at all anatomic sites) and positivity at PrEP visits <=12 months following initiati

89 lear radiologists to determine true or false positivity based on a composite endpoint.

90 iscrepancy in detecting amyloid beta (Abeta) positivity between 18F-florbetaben (FBB) and 18F-fluteme

91 able to find a difference in 24-hour culture positivity between those randomized to amphotericin and

92 This positivity bias is replicated for different types of inc

93 18)F-flortaucipir PET not only to assess tau positivity but also to differentiate between amyloid-pos

94 cell lung cancer cells (defined by Aldefluor positivity), but not the remaining aldefluor negative ca

95 itivity, older age and baseline amyloid-beta positivity, but no effect of sex.

96 Toxin positivity by EIA and CCA associated with IDSA severity,

97 5/6 and/or epidermal growth factor receptor positivity by immunohistochemistry).

98 as less affected by pregnancy, but had lower positivity compared to QGIT at all time points.

99 quantitative threshold for (18)F-AZD4694 PET positivity: comparison with young-control SUV ratios (SU

100 EBV positivity correlated with higher sCD163 and IL-10 level

101 TP sensing paper to detect the threshold for positivity corresponding to 10(5) colony-forming units o

102 t-related EEG potential (the Centro-Parietal Positivity, CPP) to be a correlate of the accumulation o

103 Positivity criteria for DSA determination differ and int

104 Positivity criteria for DSA was mean fluorescence intens

105 (positive versus negative, using predefined positivity cutoffs by each assay developer/manufacturer)

106 The sensitivity and specificity of the positivity cutoffs were assessed in a clinical validatio

107 for hazard ratio, 3.01) and to confirm PET-2 positivity (Deauville score >= 3) as a risk factor for P

108 Positivity declined with age, and prior vaccination redu

109 Positivity declines to 33% after 3 months.

110 bacterial count thresholds for urine culture positivity did not alter best clinical predictor selecti

111 Rala or Ralb, reduced ISC function and Lgr5 positivity, drove hypersensitivity to Wnt inhibition, an

112 Forty participants progressed to Abeta positivity during follow-up.

113 The loss of QGIT positivity during pregnancy was explained by decreased I

114 fy latent tuberculosis infection (LTBI) lose positivity during pregnancy.

115 lera across the country, with higher cholera positivity during the postmonsoon in western regions and

116 termining who is likely to progress to Abeta positivity, even after accounting for baseline subthresh

117 of resilience was computed by regressing the positivity factor on the stress factor, in order to quan

118 The reference standard was culture positivity (fluid, biopsy specimen, or sputum) and/or pl

119 n saliva samples out of a total of 47 showed positivity for aMMP-8 PoC test.

120 ithin the airway did not relate to serum IgE positivity for Aspergillus.

121 Criteria included positivity for GBS colonization at antenatal screening o

122 IHC positivity for GIP, but not GLP-1, staining cells in duo

123 Of the measured antibody responses, positivity for IgG against the SARS-CoV-2 spike RBD was

124 Positivity for markers of an endothelial-to-mesenchymal

125 e insulin response (FPIR) is associated with positivity for multiple islet autoantibodies, irrespecti

126 The secondary outcome was PCR positivity for other respiratory viruses.

127 ends in polymerase chain reaction (PCR) test positivity for severe acute respiratory syndrome coronav

128 ized patients with polymerase chain reaction positivity for severe acute respiratory syndrome coronav

129 -specific IgE tests (ImmunoCAP ((R))) showed positivity for shrimp, crab, ticks, moths, and mosquitoe

130 to HVTN 097 (p's < 0.001), the magnitude and positivity for V2 linear epitope and V1V2 proteins were

131 tient showed specific immunoglobulin E (IgE) positivity for wasps; therefore, we hypothesized that he

132 sitive mHam assay was associated with triple positivity (for lupus anticoagulant, anticardiolipin, an

133 Multivariate analysis showed that HLA-B51 positivity, found in 36 (9%) recipients, reduced the ris

134 nts with resistance to PSMA-TAT despite PSMA positivity frequently harbor mutations in DNA damage-rep

135 ut there was no increased detection of HBsAg positivity from the alert (15 versus 13 respectively, p

136 Co., Ltd., Tokyo, Japan) with a cut-off for positivity >=10 mug Hb/g faeces.

137 ment largely abrogated cough aerosol culture positivity; however, this was not always rapid.

138 h low MRD positivity (HR, 0.50) and high MRD positivity (HR, 0.15).

139 ated with superior PFS compared with low MRD positivity (HR, 0.50) and high MRD positivity (HR, 0.15)

140 factor composite) with progression to Abeta positivity in 292 nondemented, Abeta-negative ADNI parti

141 etermine the incidence and correlates of EBV-positivity in a large sepsis cohort.

142 f PD-L1 expression in meningiomas showed 43% positivity in both tumor and immune cells and we observe

143 in tissue microarrays, which indicated Pfn1 positivity in both tumor and stromal cells; however, the

144 its on solid media (EBACFU0-7) or as time to positivity in liquid media in hours (EBATTP0-7) using no

145 tibodies to HCV may generate up to 32% false positivity in low-risk populations.

146 lso observed that the presence of PD-1/PD-L1 positivity in metastatic lymph nodes was significantly a

147 hat more accurately estimates the risk of SN positivity in patients with melanoma than currently avai

148 xpression of TCMR-associated transcript, DSA positivity in subTCMR was associated with an upregulatio

149 DSA positivity in subTCMR was associated with histological e

150 ulnerable regions in the presence of amyloid positivity in the AD clinical spectrum and amyloid Tg ra

151 The distribution of biomarker positivity in The Cancer Genome Atlas data suggests the

152 The proportion of amyloid positivity in the LLD group was 19.3% compared with 31.1

153 in a high-risk pregnancy cohort, ZIKV RT-PCR positivity in the neonate at birth is strongly associate

154 ompared with patients negative for ADAs, ADA positivity in the radioimmunoassay and drug-tolerant ELI

155 to interpretative criteria may improve true positivity in the treated prostate.

156 H1 cells exposed to these factors gained SST positivity in vitro.

157 (H1N1)pdm09 detection (positivity) in 2016-2017 and 2017-2018 (11.2% and 3.9%,

158 In total, 337 patients with anti-HDV positivity, including 233 patients with HDV RNA viremia

159 BCx positivity increased in the MICU (from 8% to 11%, P < 0.

160 alence of total HBV core antibody (anti-HBc) positivity, indicating a previous or ongoing HBV infecti

161 alence of total HBV core antibody (anti-HBc) positivity, indicating previous or ongoing HBV infection

162 Epstein-Barr virus (EBV) positivity is a feature in more than 90% of cases in mal

163 Furthermore, cardiac AAb positivity is associated with an increased risk of CVD d

164 like fibres; K, fibril-like clumps of osmium positivity; L, cellular debris along and within nerve fi

165 ndicate invasive fungal disease (IFD), false positivity occurs.

166 Initial VIA positivity of 16% (436/2,637) after standard training gr

167 ynx and 7.9% in the rectum and C.trachomatis positivity of 2.0% in the pharynx and 8.7% in the rectum

168 nx and 7.9% in the rectum and C. trachomatis positivity of 2.0% in the pharynx and 8.7% in the rectum

169 sp paired were identified with POPS and NPsp positivity of 61.5% (95% confidence interval [CI] 55.1-6

170 We observed N. gonorrhoeae positivity of 8.1% in the pharynx and 7.9% in the rectum

171 We observed N. gonorrhoeae positivity of 8.1% in the pharynx and 7.9% in the rectum

172 -2019), with consideration of thresholds for positivity of both 6-mm and 10-mm polyp sizes.

173 We assessed the positivity of C. trachomatis and N. gonorrhoeae infectio

174 est sensitivity for each specimen type using positivity of either specimen in a pair as a gold standa

175 ned as any pathology/variant with any signal positivity of either T1, PD, or SWI.

176 The diagnosis currently relies on the positivity of NAPT to a single or multiple allergens.

177 We report 32% positivity of paired specimens with an overall agreement

178 gastroscopy, histology (resection margin [R] positivity of polypectomy or biopsy), EUS, CT or MRI, an

179 estimated the VE (>=1 dose) against anal HPV positivity of the bivalent vaccine, whose target types H

180 amyloid-beta accumulation and APOE epsilon4 positivity, older age and baseline amyloid-beta positivi

181 resulting donor-specific HLA antibody (DSA) positivity on long-term kidney graft survival in 3237 de

182 a for confirmed (febrile illness and culture positivity or >=four-fold rise in SAT titre) or probable

183 MRI using an automated method, amyloid-beta positivity or negativity using a standardised uptake val

184 e autoimmune reaction preceding autoantibody positivity or reflect progressive beta-cell destruction.

185 68; 95% CI 1.458-14.312; P = 0.009), and ALT-positivity (OR 3.486; 95% CI 1.093-11.115; P = 0.035) we

186 SHV co-infection (OR = 5.71(1.58-7.12)), HIV positivity (OR = 2.22(1.32-3.73)) and living in a more r

187 ssociated with rat IgG positivity and RT-PCR positivity (P = .03 and P = .006, respectively).

188 associated with a higher intraocular culture positivity (P = 0.040) and a shorter hospital stay (P =

189 ster interacted synergistically with Hp sero-positivity, particularly with respect to AD incidence.

190 d parameters included resection rate, margin positivity, pathologic response, and toxicity.

191 Estimated incidence rates of anti-HCV positivity per 100 person-years were 6.31 in coastal Ken

192 d the interactive associations among Hp sero-positivity, periodontal disease (Pd), and infections wit

193 Of these, 42 (62%) recovered QGIT positivity postpartum.

194 Older age and hepatitis B positivity predicted liver injury.

195 scence intensity (MFI) and complement assays positivity, presence of gDSA, and AMR occurrence.

196 fluorescence intensity and complement assays positivity, presence of gDSA, and AMR occurrence.

197 tion Survey data, we calculated the anti-HBc positivity prevalence among adults with IDU histories an

198 The HBV surface antigen positivity prevalence was 0.4% (95% CI 0.3-0.5%) in the

199 From 2001-2016, the anti-HBc positivity prevalence was 19.7% (95% confidence interval

200 t preventive therapy regimens, ages, and TST positivity prevalence.

201 Analysis of RT-PCR positivity probability showed that asymptomatic particip

202 IgG prevalence ranged 2%-70% and SEOV RT-PCR positivity ranged 0%-70%.

203 f biochemically recurrent PC, given the high positivity rate as compared with Food and Drug Administr

204 positivity rate of 33% at sepsis onset, the positivity rate for next-generation sequencing-based pat

205 The positivity rate increased 20%, from 7.39% to 8.85% (P <

206 emic-center prospective study evaluating the positivity rate of (18)F-DCFPyL PET/CT in patients with

207 e initiative and detected 87 positives for a positivity rate of 1.79%.

208 nd 86,383 diagnoses reported, for an overall positivity rate of 10.2% within the study area.

209 In contrast to blood culture with a positivity rate of 33% at sepsis onset, the positivity r

210 Results: (18)F-DCFPyL PET/CT had an overall positivity rate of 85%, which increased with higher pros

211 The primary outcome measure was test positivity rate of SARS-CoV-2 infection at shelters, det

212 Conclusion: The tumor positivity rate was consistently high for (68)Ga-PSMA-11

213 The CTC positivity rate was significantly higher in patients wit

214 npleocytic CSF samples, test yield and false-positivity rate, and time to appropriate deescalation of

215 thin New York City to evaluate order volume, positivity rate, time to positivity, and etiologies of p

216 the test yield by 61.8% (18.6% versus 11.5% positivity rate; P < 0.01) with the application of crite

217 e bacteria and Candida species, and elevated positivity rates during antimicrobial treatment.

218 Positivity rates for Chlamydia trachomatis, Neisseria go

219 ion increased viral dissemination and saliva positivity rates in surviving mosquitoes compared to WT

220 n = 603) had significantly higher PCR/ESI-MS positivity rates than patients without prior antimicrobi

221 easles, mumps, and VZV, Bio-Rad MFI/Bion IFA positivity rates were 77.4%/93%, 84.8%/90.7%, and 54.5%/

222 Positivity rates were close between the Cervex-Brush and

223 Tumor positivity rates were determined, and SUV(max) was compa

224 Higher MRD positivity rates were seen with BIRC3 and BRAF mutations

225 examined which factors were associated with positivity rates, using a 5% test positivity threshold,

226 100 000 population and with nasal swab test positivity rates.

227 th high household densities had higher crude positivity rates.

228 ased ratings of vigor and slightly decreased positivity ratings of images with positive emotional con

229 respiratory syndrome had higher risk of PCR positivity recurrence.

230 Child FUT2 and FUT3 positivity reduced the risk for all-cause diarrhea by 29

231 ed with the highest expression of genes that positivity regulate apoptotic processes.

232 Alternative index value thresholds for positivity resulted in 100% sensitivity and 100% specifi

233 Blood culture positivity results for true pathogens and contaminants w

234 argets elicit neural responses indicative of positivity, reward, and salience during impression forma

235 Analyses included reward positivity (RewP) data from 118 children randomized to P

236 Analyses included reward positivity (RewP) data from 118 children randomly assign

237 nt invasive intracranial pressure, with test-positivity set at intracranial pressure greater than 22

238 dicted shorter newborn TL (beta=-0.079), and positivity significantly predicted longer TL (beta=0.135

239 tcomes were recent wheezing, skin prick test positivity (SPT), and allergen-specific immunoglobulin E

240 IFNgamma responses in pregnancy reduced QGIT positivity, suggesting that this test cannot reliably ru

241 tential alternatives on how to establish tau positivity (T+) for multiple tau-imaging tracers in orde

242 (94.5%) and was a better predictor of FA-M/E positivity than abnormal protein.

243 liver cutoff (Deauville score, 4) for PET-2 positivity, the difference was more pronounced (5-year P

244 IPT was associated with loss of QGIT positivity, the potential clinical consequences of which

245 At the recommended positivity threshold (GMI >= 0.5), LFA sensitivity and s

246 entify the optimal galactomannan index (GMI) positivity threshold for the diagnosis of invasive asper

247 At a GMI positivity threshold of >=0.5, the IMMY GM-EIA had a sen

248 iated with positivity rates, using a 5% test positivity threshold, with spatial analysis and spatial

249 ty and specificity for CRC, depending on the positivity threshold.

250 f CRC and advanced adenomas at different FIT positivity thresholds, we found the sensitivity and spec

251 ma) defined by absence of systemic atopy and positivity to BPT with allergen.

252 bserved therapy, and acid-fast-bacilli smear-positivity to obtain adjusted odds ratios (aORs) and 95%

253 eracted mostly synergistically, with Hp sero-positivity, to alter the risk of AD and all-cause dement

254 percentage change in time to sputum culture positivity (TTP) in liquid medium over days 0-56 in the

255 d, along with a secondary outcome of time to positivity (TTP) of blood culture.

256 essed a quantitative cutoff for amyloid-beta positivity using (18)F-AZD4694 PET.

257 pidemiological processes, virological sample positivity, vaccine uptake and efficacy attributes, and

258 Over the whole study period, blood culture positivity was 11%, and next-generation sequencing posit

259 Intraocular culture positivity was 28.6% overall but was 0% after initiation

260 Univariate hazard ratio (HR) of CTC-positivity was 3.4 (P < 0.001).

261 mean duration from symptom onset to culture positivity was 4.5 days (range 0-18).

262 Blood culture positivity was 48.6%, most commonly Staphylococcus.

263 ering scores of 2 only, (11)C-choline PET/CT positivity was 54% (28%, 46%, 62%, and 81%, respectively

264 ering scores of 2 only, (11)C-choline PET/CT positivity was 54% (28%, 46%, 62%, and 81%, respectively

265 n time to positive Aspergillus culture or GM positivity was 703 days (interquartile range, 529-754 d)

266 vity was 11%, and next-generation sequencing positivity was 71%.

267 tate-specific membrane antigen (PSMA) PET/CT positivity was also correlated with primary clinical fin

268 Serial QGIT positivity was assessed by logistic regression using gen

269 levels of C-reactive protein, as Piwi-like 1 positivity was associated with a shorter cancer-specific

270 Fuhrman grade and tumor stage), Piwi-like 1 positivity was associated with a shorter cancer-specific

271 Positivity was associated with older age (>=80 vs. <50 y

272 A loads in adult AML tumors finding that EBV positivity was associated with proinflammatory signals.

273 Serotype positivity was based on cutoffs determined by nonparamet

274 t CT was similar, and intermittent rectal CT positivity was common in the absence of anal sexual expo

275 In multivariate analyses, MRD positivity was consistently revealed to be a poor progno

276 Also, (68)Ga-PSMA PET/CT positivity was correlated with clinical parameters for t

277 Test positivity was greater for persons living in zip codes w

278 HCV antibody positivity was high in MSM with HIV (20%) and MSM withou

279 (H1N1)pdm09 positivity was higher in 2016-2017 than 2017-2018 (P = .

280 and syphilis and rectal gonorrhea/chlamydia positivity was higher.

281 QFT positivity was independently associated with household e

282 In the rural survey, SPT positivity was inversely associated with bathing in lake

283 he relative rate of CT pulmonary angiography positivity was recorded.

284 than the 2016-2017 strain, although overall positivity was reduced.

285 Mp positivity was statistically associated with older age (

286 Fusion positivity was strongly associated with the number of li

287 BI prevalence (defined as either TST or IGRA positivity) was 72% and varied by age, test used, and co

288 Calculation of BCR localization rates (scan positivity) was based on consensus among our readers (>=

289 Furthermore, the long-term Chikungunya IgM positivity we observed in some cases might corroborate t

290 o nucleoproteins and glycoproteins to define positivity, we showed that specific Ebola virus antibodi

291 Predictors of ICU mortality and assay positivity were identified.

292 mutation, and 15 of 19 with prior EGFR T790M positivity were T790 wild-type at transformation.

293 Compared to the composite reference for positivity, when PM CDM was used to detect GBS from Chro

294 quency of non-tumor-related uptake and tumor positivity with (68)Ga-PSMA-11 and (18)F-rhPSMA-7 in pat

295 Gut microbiome composition predicts ANTS positivity with 80% accuracy.

296 plete data till January 1st, 2014 on Hp sero-positivity with a mean follow-up of 10-11 years for AD a

297 Intriguingly, positivity with the cutaneous MnPV was accompanied by a

298 th raw CPS and TPS were reported, as well as positivity with TPS and CPS >=1.

299 IE-1 or pp65 was derived as a threshold for positivity, with a negative predictive value of >97% for

300 ere are significant local variations in test positivity within LAC and several socio-structural deter