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A 4th vaccine shot provided benefits to patients hospitalized with severe covid--Israel study

https://academic.oup.com/cid/advance-article/doi/10.1093/cid/ciac501/6611845

Hospitalized patients with severe COVID-19 during the Omicron wave benefited from a 4th vaccine shot--Israeli study

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.

 

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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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