2019ncov
breath
breathing
corona
coronavirus
coronavirus 2019ncov
cough
covid19
disease
disinfect
doctor
educational
emergency
epidemic
er
examine
examining
fever
flu
health
hospital
human lungs
hygiene
ill
illness
infection
influenza
intervention
life
medical
medicine
patient
pneumonia
prevention
protection
respiratory
sars
sick
sickness
spread
sterile
stethoscope
surgical
symptoms
treatment
unconscious
virus