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Super-contagious new omicron subvariant will spark another wave, experts say
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Super-contagious new omicron subvariant will spark another wave, experts say

by Cynthia McCormick Hibbert, Northeastern University Credit: Pixabay/CC0 Public Domain The COVID-19 subvariant XBB.1.5 is spreading so fast that the World Health Organization on Friday advised people to wear masks in certain situations, including in crowded, enclosed and poorly ventilated spaces, regardless of local infection rates. The announcement came three days after the WHO recommended...