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Omicron sub-variants BA.4 and BA.5 can avoid immunity induced by both previous COVID infection and vaccination.
from Medindia Health News https://ift.tt/cb5u0Ah
Omicron sub-variants BA.4 and BA.5 can avoid immunity induced by both previous COVID infection and vaccination.
from Medindia Health News https://ift.tt/cb5u0Ah
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