Highlights Broad variation in neutralizing antibodies in SARS-CoV-2-convalescent individuals. ∼3% individuals showed a potent antibody response with SARS-CoV-1 cross-reactivity. Older age, symptomatic and severe disease predict higher SARS-CoV-2 neutralization. Serum and IgG neutralization half-lives were 14.7 and 31.4 weeks respectively. Summary Understanding antibody-based SARS-CoV-2 immunity is critical for overcoming the […]
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Adults infected with covid-19 three weeks after receiving one dose of the Pfizer-BioNTech or Oxford-AstraZeneca vaccine were 38-49% less likely to pass the virus on to their household contacts than people who were unvaccinated, a preprint released by Public Health England has shown.1 The research looked at the proportion of […]
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Long-haul COVID-19 patients face many health threats — including a higher chance of dying — up to 6 months after they catch the virus, according to a massive study published in the journal Nature. A second study, released by the CDC on Friday, also found lingering symptoms months later among COVID-19 patients who […]
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There is growing optimism and hope that by virtue of ongoing immunization efforts, seasonality (declining infections through August), and naturally acquired immunity, by spring and early summer 2021 in the US there will be a substantial decline in the number of deaths and hospitalizations related to COVID-19. However, this optimism […]
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NEW DELHI — It is a race against time, with consequences for millions of people in India and beyond. After falling steeply for months, coronavirus cases are surging in the world’s second-most-populous country, pitting a new wave of infections against India’s vaccine rollout. On Wednesday, India recorded 53,476 new cases, […]
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