類似のロイヤリティフリーの画像
Close up of scientist's hands handling a smear test in a medical laboratory
Doctor hand holding syringe and vaccine in blue gloves white coat. Disease injection concept.
Doctors or scientists are using vaccines to fight COVID-19 or believe other diseases.
Scientists or doctors collect viral samples for preparation analysis and production of vaccines in the laboratory , Vaccine research to eliminate viruses concept.
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