covid-19 sars-cov-2 words in front of graphical representation of the virus under microscope

air airborne asymptomatic backdrop background blue body borne cold common computer cough cov covid dry fever feverish flu fonts front generated graphical graphics high highly ill illness illnesses illustration illustrations infect infected infectious influenza isolated kit kits light microscope microscopes negative nose outbreak pandemic pink positive purple representation representations respiratory runny sars sick sneeze sneezing swab symptom symptoms temperature test tested tests tract transmission transmit under unwell upper virus viruses well white word words