H1N1 pandemic illness spread fro birds to humans causing fever, cough, headaches. H1N1 pathogens infecting the human respiratory system.

---

Size: 5472px × 3648px
Photo credit: © vexedart / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: airborne, avian, bacteria, biohazard, blood, chinese, clinic, corona, coronavirus, crisis, deadly, death, disease, diseases, epidemic, fever, flu, h1n1, hazardous, illness, immunization, infection, infectious, influenza, laboratory, medicine, mers-, outbreak, pandemic, pathogen, patient, research, respiratory, sars, science, strain, syndrome, transfer, transmit, vaccine, viral, virology, virus, wuhan