infectious disease; infection
infection route; source of infection
infection through contact
mass infection; infection outbreak; infection cluster
explosive growth of infections; explosion of cases of an infection
hospital-acquired infection; healthcare-associated infection; HCAI; nosocomial infection
infection prevention; disease control
oral infection; orally transmitted infection
respiratory tract infection; RTI
infection route; transmission route
susceptibility to infection; lack of resistance to infection
macro infection type virus
respiratory tract infection; RTI
asymptomatic spread (of an infectious disease); silent infection; subclinical infection
community-acquired infection
human-to-human transmission (of a disease)
breakthrough infection (infection in someone who is vaccinated)