adult
ampoule
antibiotic
biotechnology
blue
bottle
care
closeup
color image
coronavirus
covid19
covid19 vaccine
disease
doctor
dose
drug
epidemic
equipment
flu
hand
healthcare and medicine
holding
horizontal
hospital
human body part
human hand
illness
illness prevention
infectious disease
injecting
injection
insulin
laboratory
liquid
medical research
medicine
narcotic
needle
nurse
part of
people
prevention
research
science
syringe
treatment
vaccination
vaccine
virus