Two-dose COVID vaccine efficacy durable against severe Omicron but drops in elderly

Overall two-dose vaccine effectiveness (VE) against Omicron variant-related hospitalization or death remained above 70% for at least 6 months among adults in Hong Kong but dropped to below 62% in those aged 80 and older, necessitating a third dose, finds a case-control study published today in JAMA Network Open.

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Family caregivers of people with long COVID bear an extra burden

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With unpredictable symptoms that can wax and wane mysteriously, long COVID also requires exceptionally good record-keeping, in order to provide doctors with new clues. But because the disease often causes fatigue and brain fog, some patients can't keep track for themselves. They rely on friends or family for help.

"The family caregiver becomes the care manager, advocating and managing the system," the late John Schall, former CEO of the Caregiver Action Network, an education and advocacy nonprofit, told us last year. "And you're doing it by guesswork. Nobody tells you what to look for."

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