virus, 2019-ncov, 3d illustration, antibiotics, bacteria, bacterial infection, biohazard, biology, bird flu, china, chinese, common cold, contact, contamination, corona virus, corona virus 2019, corona-virus, coronavirus, disease, epidemic, fever, flu, flu strain, health, illness, infect, infection, influenza, medical, mers, mers virus, middle-east respiratory syndrome, ncov, new strain, outbreak, pandemic, pathogenic, pneumonia, protection concept, respiratory, sars, science, sickness, spread, transmitting, vaccine, virology, warning, wash hands, wuhan