2019
2019ncov
2020
alert
analysis
analyzing
background
blood
blood sample
care
clinic
clinical
corona
corona virus
covid19
covid19 test
diagnostic
disease
examination
experiment
flu
health
hospital
illness
infection
lab
laboratory
medical
medicine
microbiology
novel
outbreak
pandemic
patient
positive
research
results
sample
sars
scientific
test
testtube
treatment
tube
virology
virus