adult
analysis
blood
blue
chemical
chemical test
clinical
closeup
coronavirus
covid19
development
diagnostic
discovery
doctor
epidemic
equipment
experiment
glass
glove
hand
healthcare
infection
laboratory
medical
microbiology
mixing
one
pandemic
people
person
pharmaceutical
pharmaceutical development
protective
reaction
research
scientific
solution
study
substances
technician
test
tube
unrecognizable
vaccine
virus
定額
Chemical test. Pharmaceutical development. Technician hand in blue medical protective glove mixing solution in glass tube in scientific laboratory.の素材 [FY310208068559]
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