Corona Bubbles Popping Out Of The Wooden Floor, Signifying Footsteps Of People That Had Close Physical Contact With A Covid-19 Person - close up

bubbles bubble corona bubbles floor contact tracing footsteps clear signifying physical pandemic wooden abstract contact viral coronavirus infection background protection prevention close corona virus covid19 close up concept health protect disease sanitary quarantine people hygiene epidemic sanitation isolated covid corona illness person virus popping out outbreak care medical 2019ncov health care human hygienic illustration