In 2020 and early 2021, people who had been infected with SARS-CoV-2 had around 72% to 86% protection against reinfection with the virus for at least six months, according to a new study published February 10 in PLOS Biology ...
Feb 10, 2022
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Nearly two-thirds of people in England who tested positive for COVID-19 in January previously had the virus or suspected they had it, a large long-running infection survey revealed Wednesday.
Jan 26, 2022
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Many experts now predict that COVID-19, which so far has killed more than 5.5 million people worldwide, will remain endemic as new, infectious variants of SARS-CoV-2 emerge. These new variants could pose a greater risk of ...
Jan 25, 2022
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Omicron largely evades immunity from past infection or two vaccine doses, according to Imperial's latest report.
Dec 17, 2021
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(HealthDay)—Compared with primary infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), reinfections have 90 percent lower odds of severe, critical, or fatal disease based on data for the variants ...
Dec 13, 2021
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South African scientists are warning that reinfections among people who've already battled COVID-19 appear to be more likely with the new omicron variant than with earlier coronavirus mutants.
Dec 3, 2021
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Natural infection with COVID-19 offered protection from reinfection when the gamma and delta variants predominated, according to a new University of Michigan study that also provides levels of antibodies needed to protect ...
Nov 30, 2021
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Throughout the COVID-19 pandemic, there has been much uncertainty about how long immunity lasts after an unvaccinated person is infected with SARS-CoV-2.
Oct 4, 2021
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(HealthDay)—Among Kentucky residents who were infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in 2020, those who were unvaccinated against COVID-19 had an increased likelihood of reinfection in ...
Aug 10, 2021
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A review of more than 9,000 U.S. patients with severe COVID-19 infection showed less than 1% contracted the illness again, with an average reinfection time of 3.5 months after an initial positive test. Those are the findings ...
Jun 15, 2021
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