test tube containing blood sample infection from flu disease tested in medical science laboratory
Schlüsselwörter
protection,
scientific,
infection,
pandemic,
contagious,
epidemic,
doctor,
biohazard,
disease,
virus,
research,
test tube,
hospital,
check-up,
contagion,
science,
laboratory,
prevention,
sample,
laboratory,
glassware,
chemistry,
clinical,
medicals,
flu,
outbreak