Where Do COVID Variants Come From?
Key TakeawaysThe WHO has so far designated five COVID-19 variants of concern: Alpha, Beta, Gamma, Delta, and Omicron.Experts are unsure exactly how these variants arise, but they suspect strong mutations can take place in people infected with COVID-19 for long periods of time.Antivirals could help immunocompromised people recover from COVID-19 quickly to reduce mutation accumulation.Since December 2020, the World Health Organization (WHO) has designated five COVID-19 variants as Variants of Concern (VOC): Alpha, Beta, Gamma, Delta, and Omicron....