Germs, diseases, needles, experimental drugs, and thin latex gloves…what could go wrong? Regardless of the job, you will be surrounded by stuff that can get you sick or kill you. Take precautions, take care, and take vitamins. In your concern for others, don't neglect your own immune system.
Stress and lack of sleep will lower your defenses, so be sure to get rest, do yoga, and live a healthy life. And wash your hands.