Waning vaccine-immunity and an increased incidence of COVID-19 during the Omicron outbreak led the Israeli Ministry of Health to recommend a fourth dose of BNT162b2 for high-risk individuals. This study assessed the effect of that dose for hospitalized patients with severe/critical, breakthrough COVID-19. ...
Among hospitalized patients with severe/critical breakthrough COVID-19, a recent fourth dose was associated with significant protection against mechanical ventilation or death, compared to three doses.
In early January, more than 700 Stanford University athletes took rapid Covid tests upon returning to the campus. Those who tested negative — and some who tested positive — were also given PCR tests.
Medical professionals and researchers have been studying the link between COVID-19 and vascular symptoms since the beginning of the pandemic. They have learned that people with severe COVID-19 are at a risk of strokes, blood clots, and other vascular complications.
These observations led to several hypotheses that COVID-19 was a vascular disease with respiratory symptoms and not a respiratory disease.
Clinical epidemiologist Ziyad Al-Aly has access to a treasure trove that many researchers can only dream of: millions of sets of electronic medical records from the US Department of Veterans Affairs (VA), which provides health care for the country’s military veterans.
We can’t tell you which is best for your child. But we can tell you that in this age group, the Pfizer-BioNTech and the Moderna vaccines probably differ more than they do in any other age group on the vaccination spectrum.
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