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Colorized scanning electron micrograph of an apoptotic cell (pink) heavily infected with SARS-COV-2 virus particles.

Hybrid immunity offers increased protection that is longer-lasting against Covid-19 reinfection, studies show

By Tasnim Ahmed, CNN Pfizer/BioNTech’s Covid-19 mRNA vaccine provides an added layer of protection against reinfection for people who have been previously infected with Covid-19, as well as increased immune durability over time, according to two studies published Wednesday in the New England Journal of Medicine. The studies offer more insight into the concept of

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A man holds a piece of foil containing Fentanyl while spending time on in San Francisco

New data show US drug epidemic is deadlier than ever, but preventing overdoses is an uphill battle

By Deidre McPhillips, CNN Drug overdose deaths have doubled over the past six years, soaring in recent months amid the Covid-19 pandemic and continued rise of fentanyl. The country first surpassed 100,000 annual deaths in April, and overdose deaths have persisted at staggeringly high levels since. The latest data from the US Centers for Disease

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A healthcare worker Desirae Velasquez administers a Covid-19 test to Maria Lemus at a testing facility in Los Angeles

Covid-19 daily case rates plunge to one-sixth the record high reached a month ago. But thousands are still dying from Covid-19 every day

By Deidre McPhillips and Holly Yan, CNN While new Covid-19 cases and hospitalizations keep tumbling, more than 2,000 Americans are still dying every day from Covid-19. The US is now averaging 136,190 new Covid-19 cases a day, according to data from Johns Hopkins University. That’s a 44% plunge from last week. New Covid-19 cases have

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A healthcare worker Desirae Velasquez administers a Covid-19 test to Maria Lemus at a testing facility in Los Angeles

Covid-19 daily case rates plunge to one-sixth the record high reached a month ago. But thousands are still dying from Covid-19 every day

By Deidre McPhillips and Holly Yan, CNN While new Covid-19 cases and hospitalizations keep tumbling, more than 2,000 Americans are still dying every day from Covid-19. The US is now averaging 136,190 new Covid-19 cases a day, according to data from Johns Hopkins University. That’s a 44% plunge from last week. New Covid-19 cases have

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Child Covid-19 hospitalizations rose amid Omicron, especially among children too young to be vaccinated

By Deidre McPhillips, CNN Covid-19 hospitalization rates among children increased as Omicron replaced Delta as the predominant coronavirus variant in the United States, especially among those under 5, who are not eligible to be vaccinated, according to a study published Tuesday by the US Centers for Disease Control and Prevention. At their peak, weekly pediatric

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