various viruses and bacteria magnified under a microscope against an abstract background
Palabras clave
virus,
molecular,
microbe,
infection,
microscope,
laboratory,
test,
clinic,
diagnostic,
virology,
vaccination,
antibody,
hygiene,
immunisation,
research,
quarantine,
symptom,
disease,
protection,
immunity,
pandemic,
prevention,
vaccine,
virus,
biology