BSIP, LA / SCIENCE PHOTO LIBRARY BSIP, LA / SCIENCE PHOTO LIBRARY
Vaccination. Doctor injecting a vaccine into a woman's arm. Vaccination provides long-term protection against a range of infectious diseases. The injection contains killed or weakened disease-causing micro-organisms. It prepares the immune system in case of real infection and strengthens the immune response. This is a case of malpractice: the doctor should be wearing gloves.
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