alert
bacteria
biohazard
casket
coffin
contagious
contamination
corona virus
coronavirus
covid19
danger
dangerous
death
death rate
disease
epidemic
farewell
fever
flu
funeral
goodbye love
grieve
hearse
illness
infect
infected
infection
influenza
medical
medicine
microbiology
mourn
old age
pandemic
patient
peace
pneumonia
prevention
quarantine
respiratory
sadness
sickness
vaccine
virology
virus
warning