COVID-19 December 22, 2022 What Is BF.7 China COVID Variant & Why Is It Dangerous? All You Need To Know | COVID NewsThe BF.7 is an abbreviated form for BA.5.2.1.7. It is a sub-lineage of the BA.5 Omicron variant. The BF.7 variant is reportedly more infectious than the other variants of coronavirus known so far. Persons infected with the BF.7 variant of…