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Public Health

People exposed to someone infected with the coronavirus, vaccinated or not, no longer need to quarantine, according to updated CDC guidance released Aug. 11. The new COVID-19 recommendations focus on mitigating the risk of severe disease, rather than infection itself. 

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A new virus has appeared to jump from animals to humans for the first time, infecting 35 people in China, according to a research letter published Aug. 4 in The New England Journal of Medicine.

The BA.5 omicron subvariant has maintained its dominance since early July, accounting for 87 percent of U.S. COVID-19 cases for the week ending Aug. 6, according to the CDC's latest variant proportions update. 

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