Covid-19 Vaccine test research clinical trial
Palabras clave
trial,
research,
immunity,
immunisation,
doctor,
medicine,
medicals,
syringe,
laboratory,
nurse,
health care,
health,
woman,
injection,
hand,
hospital,
care,
clinic,
science,
vaccine,
test,
needle,
white,
isolated,
scientist,
professional,
vaccination,
laboratory,
protection,
disease,
flu,
bottle,
debate,
hope,
make well