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COVID-19 is now considered to be a respiratory not vascular disease--new studies

 

Why COVID-19 is considered to be a respiratory disease

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.

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Enormous databases do not necessarily allow scientists to solve long COVID mysteries

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.

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U.S. Covid Cases Surge, but Deaths Stay Near Lows

For two years, the coronavirus killed Americans on a brutal, predictable schedule: A few weeks after infections climbed so did deaths, cutting an unforgiving path across the country.

But that pattern appears to have changed. Nearly three months since an ultra-contagious set of new Omicron variants launched a springtime resurgence of cases, people are nonetheless dying from Covid at a rate close to the lowest of the pandemic.

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BA.4 and BA.5 Omicron: How worried should we be?

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BA.4 and BA.5 Omicron are not thought to be any more lethal than other types of Covid.

Lots of people have built up some immunity from past infections and vaccination, which is helping to make the disease less risky overall.

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Paxlovid Misses in Standard-Risk COVID-19

Updated findings from a nirmatrelvir/ritonavir (Paxlovid) trial in standard-risk COVID-19 suggest the antiviral's benefits are less clear for those not at high risk of severe outcomes.

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