3d render of coronavirus outbreak and influenza disease virus. m
A used medical face mask protecting against respiratory diseases transmitted by airborne droplets such as coronavirus and influenza is crumpled on a black table.
致命病毒及公共卫生
英语词典中Avian influenza的意思
Old Man Having Influenza
Coronavirus病爆发
Coronavirus危险
Pollen allergy or hay fever and influezna infection