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Advanced Search Results For "AND COVID-19 Subject OR COVID-19 pandemic Subject OR SARS-CoV-2 Subject OR SARS-CoV-2 Delta variant Subject OR SARS-CoV-2 Omicron variant Subject "

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Molecular detection of SARS‐CoV‐2 and differentiation of Omicron and Delta variant strains.

Publication Type: Academic Journal

Source(s): Transboundary & Emerging Diseases. Sep2022, Vol. 69 Issue 5, pe1618-e1631. 14p.

Abstract: The SARS‐CoV‐2 virus is the causative agent of COVID‐19 and has undergone continuous mutations throughout the pandemic. The more transmissible Omicron variant has quickly spread and is replacing the Delta variant as the most prevalent strain globally, ...

South Africa Covid-19 Test Positivity Rate Nears Record.

Publication Type: Periodical

Source(s): 5/7/2022, pN.PAG-N.PAG. 1p.


Abstract: South Africa's daily coronavirus test positivity rate neared a record, rising above 30% on Saturday for the first time in almost five months as two sublineages of the omicron variant spread rapidly ahead of the nation's winter season. There were 8,524 ...

Comparison of Rapid Antigen Tests' Performance Between Delta and Omicron Variants of SARS-CoV-2: A Secondary Analysis From a Serial Home Self-testing Study.

Publication Type: Academic Journal

Source(s): Annals of Internal Medicine. Dec2022, Vol. 175 Issue 12, p1685-1692. 8p.

Abstract: Use of rapid tests for diagnosis of COVID-19 is now commonplace, but questions remain about their performance characteristics compared with those of polymerase chain reaction testing. This study compared the performance of rapid antigen tests in detect...

Is my RAT actually working? How to tell if your COVID test can detect Omicron.

Publication Type: Periodical

Source(s): Conversation (Conversation Media Group Ltd). 12/12/2022, p1-1. 1p.

Abstract: You've tested negative for COVID using a rapid antigen test(RAT), but are a close contact of a positive family memberand have symptoms. But one factor is whether RATs candetect the Omicron variant of SARS-CoV-2 (the virus thatcauses COVID). How to tell...

Sensitivity and specificity of a rapid antigen assay for the detection of SARS-CoV-2 during the surge of B.1.1.529 variant.

Publication Type: Academic Journal

Source(s): Asian Journal of Medical Sciences. Feb2023, Vol. 14 Issue 2, p9-15. 7p.

Abstract: Background: As COVID-19 spread across the globe, the new variants continued to emerge, leading to a rapid surge in the cases and thereby overwhelming the testing laboratories. As Rapid antigen test kits became available, they complimented the reverse t...

Rapid Antigen Test Combine with Nucleic Acid Detection: A Better Strategy for COVID-19 Screening at Points of Entry.

Publication Type: Academic Journal

Source(s): Journal of epidemiology and global health [J Epidemiol Glob Health] 2022 Mar; Vol. 12 (1), pp. 13-15. Date of Electronic Publication: 2022 Jan 03.


Abstract: The coronavirus disease 2019 (COVID-19) pandemic has imposed an enormous disease burden worldwide, and the Delta variant now has become dominant in 53 countries. Recently published studies have shown that during periods of high viral load, rapid antige...

Study finds exhaled breath could enhance detection, diagnosis of COVID-19 and variants.

Publication Type: Periodical

Source(s): NewsRx COVID-19 Weekly; 3/20/2023, p45-45, 1p

Abstract: Copyright of NewsRx COVID-19 Weekly is the property of NewsRx and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email...


Source(s): Venulex Legal Summaries. 2022 Q1, p1-3. 2p.

Abstract: The article focuses on significant employment related class action activity from the tumultuous year. Topics discussed include Delta and Omicron variants, the volatile politics of vaccines and masks and testing, serious worker shortages, and the patchw...

U.S. Mask Rules Loosened; H.K. to Use Rapid Tests: Virus Update.

Publication Type: Periodical

Source(s): 2/26/2022, pN.PAG-N.PAG. 1p.

Abstract: U.S. health officials dialed back their threshold for masking recommendations. Hong Kong is changing its Covid-testing strategy to obtain faster results with self-administered kits as it battles to suppress its worst coronavirus outbreak to date. [Extr...