Vaccines Post

As of 04/2022 As of April 2022, there are three new variants. Variants XD and XF are combinations of Delta and Omicron BA.1 (Deltacron) strains. These are primarily in European countries. Variant XE is a recombinant strain of the original Omicron BA.1 and the newer Omicron BA.2. Variant XE was Read more…

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