Symptoms, Test and Prevention: Your Questions on Omicron BF.7 Answered 25/12/2022 1 minute read Spread the love Omicron sub-variant BF.7 infects more quickly and is difficult to detect in RT-PCR tests. About the Author View All Posts Post navigation Previous: Michelle Obama Reveals Secret Service Agents’ Reaction To Her And Barack Obama’s PDANext: Omicron to Monkeypox: Diseases That 2023 Needs to Be Wary Of