Ensitrelvir Reduced COVID After Household Exposure
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By
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Kathryn Wighton
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May 27, 2026
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6 min
By
Kathryn Wighton
May 27, 2026
The new requirement applies to US citizens, permanent residents, and foreign travelers.
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October 29, 2026
by Yusaku Fujii
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Updated guidance recommends vaccination for adults aged 18 years and older, with pediatric recommendations based on immune status.
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October 9, 2026