seamless pattern with reds circles virus cell dangerous chinese pathogen respiratory flu coronavirus covid-19 with drops of blood

alert antibiotics asian background bacterial banner biohazard biology blood cell china chinese circles concept contagion contagious contamination corona coronavirus covid19 creative danger dangerous diagnosis disease dna drops epidemic fever flu health illness immune infection influenza macro medical medicine microbe microscopic molecule new pandemic pathogen pathology pattern red reds respiratory risk science seamless stop strain vaccine virology virus white