the sick pig fever patient with pig doctor. g4 ae h1n1 swine flu virus spreading from pig in cartoon

2019 alert analyzing animal animals bacteria barn biology care cartoon character cold contamination corona coronavirus covid cute design disease doctor epidemic eps exam farm fever file flu h1n1 health hospital illness illustration infect infected infection influenza mammal mask medical medicine ncov pandemic patient pig piggy research sick sickness spread spreading surgical swine symbol test tested vector virus warning