Most people in Canada now have hybrid immunity against SARS-CoV-2 through a mix of infection and vaccination, new research in the Canadian Medical Association Journal shows.
Aug 14, 2023
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An article published in the journal eLife reports a study in which researchers conclude that the proportion of the population previously infected by SARS-CoV-2 (infection-induced seroprevalence) can be estimated using blood ...
Dec 20, 2022
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By August 2022, most children and adults younger than 60 years in Canada had been exposed to SARS-CoV-2 through a combination of vaccination and infection, according to a large study looking at blood antibodies published ...
Dec 5, 2022
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Serosurveillance provides estimates of antibody levels against infectious diseases and is considered the gold standard for measuring population immunity due to past infection or vaccination. A study publishing November 10 ...
Nov 10, 2022
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The combined severe acute respiratory syndrome coronavirus 2 seroprevalence from infection or vaccination reached an estimated 94.7 percent in December 2021, according to a research letter published online June 13 in the ...
Jun 21, 2022
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The seroprevalence of SARS-CoV-2-specific antibodies in children was between 0.21% and 0.42% early in 2021, according to research published today by the Medical Journal of Australia.
Jun 15, 2022
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From December 2021 to February 2022, the seroprevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) increased, reaching about 75 percent among children and adolescents by February 2022, according to research ...
Apr 28, 2022
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The United States has had about 140 million COVID infections since the start of the pandemic, new data from the U.S. Centers for Disease Control and Prevention show.
Mar 2, 2022
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Hospital health care workers in Quebec had high rates of antibodies (seroprevalence) against SARS-CoV-2 after the first wave of the COVID-19 pandemic, especially in hospitals with outbreaks, found a study published in CMAJ ...
Dec 13, 2021
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A study tracking seroprevalence across Iran suggests that the number of people who have had the SARS-CoV-2 virus is 17.1% overall and 20.0% in high-risk occupations. The findings suggest that an estimated almost 4.3 million ...
Dec 16, 2020
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