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Omicron subvariants reflect a 'viral evolution on steroids' A new study suggests that the subvariant BA.4.6 can cause reinfections. A slew of other subvariants on the horizon may do the same. NBC News

An omicron subvariant is once again demonstrating immune-dodging abilities, posing a threat to both vaccinated and previously infected individuals.

WHO says COVID-19 is still a global health emergency The World Health Organization said on Wednesday that COVID-19 remains a global emergency, nearly three years after it was first declared as one. Reuters Reuters

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U.S. FDA authorizes Novavax's COVID vaccine as booster for adults The U.S. Food and Drug Administration on Wednesday authorized Novavax Inc's COVID-19 vaccine as a booster for adults, helping the company's shares reverse course and rise more than 3%. Reuters Reuters

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Opinion: Paxlovid coverage wrongly suggests the experts blew it again on Covid-19 | CNN The tone of reports about Paxlovid's interactions with other drugs is alarming, says Kent Sepkowitz. It seems to imply experts have exposed the world to another of their mistakes -- a view describing much of the criticism to the pandemic response. Kent Sepkowitz CNN

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