dangerous virus 2020
anticipate
asian
bacteria
biochemistry
contamination
corona virus disease
coronavirus
covid
covid 19
covid19
dangerous
deadly
diagnostic
disease
epidemic
first aid kit
flu
health
health care
hospital
indonesia
infected
infection
influenza
male
man
man wearing mask
mask
medical
medical face mask
medicine
microbiology
outbreak
pandemic
patient
people
pneumonia 2020
portrait
positive
prevention
protection
quarantine
safety
surgical mask
virus
world health organization