Illustration: Coronavirus, Covid-19 Propagation Of The Virus In Cities, Movement Of People And Multiplication Of The Virus.

KEYWORDS

2019ncov air allergy areas asian background care china chinese cities city closed concept contamination corona coronavirus covid19 danger disease environment epidemic face female flu girl health infected infection influenza mask masks medical movement multiplication outbreak people person pollution propagation protect protection protective quarantine render respiratory risk safety sick skyscraper social spread streets surgical urban virus wearing woman wuhan