Vaccination. Hypodermic needle and syringe extracting vaccine from a sealed vial for an injection. Vaccines consist of dead or weakened doses of microorganisms which are injected into the body to stimulate the immune system. They provide protection against many infectious diseases. Many people are routinely vaccinated against various diseases when they are children,but booster vaccinations in adulthood are recommended for some illnesses. Vaccines may also be given in preparation for a holiday in a part of the world where particular diseases are common | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tek Image |
Bildgröße: | 2723 px × 3543 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |