This image from 1908 shows early pustules on a patient's leg and foot in a case of unmodified smallpox.
Long before anybody understood anything about vaccination, it was noticed that, if people recovered from a disease, they didn’t get that particular disease again. China in the 1500s In the 1500s ...
This timeline provides a look at some of the historical aspects of fighting infection, covering early discoveries on germs, vaccination, how our bodies help us to get better and more. Nature of ...
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