fear from influenza

acid aerosol air attack avian bird breath capside cavity cell chicken cough danger dead deadly death disperse dna doctor droplet epidemy eyes fear flu h5n1 head health hospital ill illness immunisation infected infection influenza injection lethal medical medicine mouth mutant mutate nose nucleic nucleotide orange oseltamivir pandemia panic patient pharyngeal pharynx prevention replication rna scheme sequence sick sneeze spreading strain suffer tamiflu therapy threat three treat treatment vaccination vaccine virion virus