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Fourth vaccine dose boosts antibodies, researchers say, but likely not enough to prevent Omicron breakthrough infections

By Jacqueline Howard, CNN Early data out of Israel suggests that a fourth dose of either the Pfizer/BioNTech or Moderna coronavirus vaccine can bring an increase in antibodies — more than what’s been seen after a third dose — but it still might not be enough to protect against breakthrough infections caused by the Omicron

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The CDC updated its mask guidelines. What to know about ‘the highest level of protection’

By Kristen Rogers, Parija Kavilanz and Amanda Sealy, CNN The US Centers for Disease Control and Prevention has changed its mask guidelines to recommend that people “wear the most protective mask you can that fits well and that you will wear consistently.” The agency describes well-fitting respirators approved by the National Institute of Occupational Safety

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CDC urges Americans to wear most-protective mask or respirator that fits well and that they’ll wear consistently

By Katherine Dillinger and John Bonifield, CNN The US Centers for Disease Control and Prevention updated its mask information for the American public on Friday, including clarifying that certain types of masks and respirators offer more protection from the coronavirus than others and offering tips on what consumers should look for when shopping for them.

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Many hospitals are halting nonurgent procedures and relying on the National Guard as Covid-19 hospitalizations rise

By Travis Caldwell, CNN As Covid-19 hospitalizations reach new highs, more states and health care systems are cutting back services that aren’t urgent and relying on National Guard personnel to fill staffing gaps as infected health care employees miss work to recover and patient demand grows. While officials have started to call out very early

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What should you do if someone in your family contracts Covid-19? An expert weighs in

By Katia Hetter, CNN These days, it’s much easier to contract the coronavirus as the highly contagious Omicron variant spreads worldwide. As people face this current reality, it’s important to note that the US Centers for Disease Control and Prevention also recently changed its guidelines around isolation and quarantine. Many have questions about what to

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