"If you don't wash your hands after changing a diaper, you could infect yourself," Dr. Facelle said.
"Injecting yourself with fresh blood is a crazy practice — it's the most effective way of infecting yourself with H.I.V.," said Dr. Nora D. Volkow, director of the National Institute on Drug Abuse, which supports the researchers who discovered the practice.
The ever-present danger of making a mistake and infecting yourself or others is very real.
Yet to be clear, no one advocates infecting yourself with parasites for the sniffles.
Since the bug can survive long periods of time in your shoes, you also risk re-infecting yourself even if you initially clear up the problem, she adds.
As for the Android you have now, always accept security updates when they become available and only install apps from the Google Play store to avoid infecting yourself with malware.
You can infect yourself and your plants.
If you don't keep those things sanitary you risk re-infecting yourself with strep later.
Never infect yourself with stinging nettles on purpose, although they are not poisonous, they hurt!
If this happens, you are re-infecting yourself every time you use it.
