Australia is heading for its third Omicron wave. Here’s what to expect from BA.4 and BA.5 - ZME Science

This article focuses on Australia, but the new strains are important for the entire world.

BA.4 and BA.5 are more infectious than previous COVID variants and subvariants, and are better able to evade immunity from vaccines and previous infections. So were likely to see a rise in case numbe… [+5840 chars]

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