coronavirus concept. people with mers-cov symptoms as cough fever sneezing and chill, medical infographics

2019ncov banner biohazard biohazzard blood brochure cartoon chill concept corona coronavirinae coronavirus cough cov danger dangerous death epidemic fever flat flyer footer header health hygiene illustration immunity infographic infographics informational killer medical merscov microbiology organism people poster prevention risk sneezing symptom transfer transmission vaccination vaccine vector viral virus wth