Around new year of 2020, the Coronavirus SARS-COV-2 infected people, causing COVID-19. This virus was originally from wild areas, where was not mean to have human constructions… but the increase of human territories in every environment can cause -among others- the interaction with new infectious strains.

Anyway, the main methods to prevent the infection is keep physical distance of at least 1.5 m, wear your mask and wash your hands!
Wash your hands frequently for 20-30 seconds with soap, this will break the outer virus membrane and inactivate it.