covid19 mutation the virus is primarily spread between people during

background bacterial banner berry biohazard close closeup color contact contagious contamination corona coronavirus coughing covid19 dangerous death design disease droplets epidemic exotic fresh fruit global gourmet health healthy infection infectious ingredient isolated juicy lichee lichi lychee medical microbiology microscopic most mutation nature novel often pandemic people pink pneumonia primarily produced red rendering ripe small sneezing spread sweet talking tropical via virus white