Three currently circulating omicron subvariants of SARS-CoV-2—including two that currently make up almost 50% of reported COVID-19 infections in the U.S.—are better at evading vaccine- and infection-generated neutralizing ...
Nov 22, 2022
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A new variant named omicron (B.1.1.529) was reported by researchers in South Africa on Nov. 24, 2021, and designated a "variant of concern" by the World Health Organization two days later. Omicron is very unusual in that ...
Dec 1, 2021
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New research hints at a possible explanation as to why people with diabetes, asthma and other conditions that involve chronic inflammation are more susceptible to the coronavirus and tend to experience more serious COVID-19.
Apr 7, 2022
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Patients diagnosed with post-COVID-19 syndrome often experience cognitive and memory impairments. A new study by researchers from the Federal University of Rio de Janeiro (UFRJ) and UniRio provides insight into the mechanism ...
Apr 3, 2023
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The latest omicron subvariants—including the BA.4 and BA.5 forms causing new surges in infections in the United States—are even better at eluding vaccines and most antibody treatments than previous variants, finds a study ...
Jul 5, 2022
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While COVID-19 vaccines continue to be highly effective at preventing hospitalization and death, it has become clear that the protection offered by the current vaccines wanes over time. This necessitates the use of booster ...
Jun 28, 2022
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University of Maryland School of Medicine researchers have identified how multiple genes of SARS-CoV-2 affect disease severity, which could lead to new ways in how we develop future vaccines or develop newer treatments. The ...
Oct 7, 2022
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An international team of scientists has determined the precise structural changes in the spike protein of the omicron variant. Their observations explain how the virus is able to evade antibodies against previous variants ...
Jan 25, 2022
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No sooner than you thought all the talk of new COVID variants was over, there's news of yet another one: AY.4.2. But what is it, where did it come from, and should we be concerned?
Oct 28, 2021
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A study conducted by a consortium of Brazilian researchers has demonstrated that a hyperimmune serum consisting of purified antibody fragments produced in horses may be an efficient approach to combat COVID-19. Tests conducted ...
Oct 26, 2021
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