2019 ncov
analysis
antibiotic
bacteria
bacterial
biochemistry
blood
blue
child
clinic
clinical
coronavirus
disease
doctor
epidemic
epidemical
equipment
gloves
holds
human
ill
illness
infection
influenza
injection
lab
mask
medical
nurse
patient
people
positive
research
respirator
result
sample
scientist
test
therapy
treatment
tube
vaccine
virus
wearing
world
worldwide