Spread of infection from human to human. Coronavirus 2019.
Flying through a blood vessel in an organism infected with the Covid-19 coronavirus. An organism infected with the 2019-ncov virus. Corona Virus, virus, covid 19. Coronavirus and blood cells.
Back view of health care worker in protective suit lying on table. Tired doctor having break during Covid-19 pandemic. Coronavirus, virus, infection, health care, lifestyle.