Vaccine bottle with hypodermic syringe needle near, question mark on label, another blurred vial cyan background

Related tags:

• vial
• injection
• vaccine
• syringe
• disease
• infection
• virus
• pandemic
• illness
• lab
• medical research
• immune
• clinical research
• medicine
• flu
• drugs
• antibiotics
• question
• questionmark
• science
• medical treatment
• medic
• problem
• treatment
• bottle
• hidden
• clinical
• risk
• needle
• blue liquid
• prevention
• blue effect
• researcher
• effect
• unknown
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