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A new Covid-19 variant has become the dominant lineage of the virus in recent weeks in the US and while it should not be a cause of undue concern for the public, its emergence is a reminder of the need for greater surveillance of the virus and of the importance of vaccine boosters, according to infectious disease experts.

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Real-world study shows strong performance of COVID antivirals Focal Foto / Flickr cc CIDRAP

A new real-world study in Greece finds that for high-risk patients, COVID-19 antivirals are highly effective in reducing the risk of both hospitalization and death. The study is published in The Journal of Infectious Diseases.

Patients who were older than 75, and reported good drug adherence benefitted the most from the drugs molnupiravir (Lagevrio) and nirmatrelvir/ritonavir (Paxlovid)

Older discharged COVID patients at twice the risk of death as older flu patients, study finds US Navy, Ryan M. Breeden / Flickr cc CIDRAP

Older adults who are hospitalized for COVID-19 have double the rate of death upon discharge as older adults hospitalized for influenza-related complications, according to a new study in The BMJ.

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COVID hospitalizations jump again: Maps show where it’s worst In about two dozen states, the surge in hospitalizations was either “moderate” or “substantial.” amartichoux The Hill

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