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From the germ theory to Fleming’s moldy petri dish, antibiotics have reshaped medicine and saved millions of lives. But overuse has fueled a dangerous rise in drug-resistant bacteria. Now, scientists ...

Some of the greatest scientific discoveries haven’t resulted in Nobel Prizes. Louis Pasteur, who lived from 1822 to 1895, is arguably the world’s best-known microbiologist. He is widely credited for ...

Germ theory refers to the principle that "certain diseases are caused by the invasion of the body by microorganisms" such as bacteria, parasites, or viruses, according to the Encyclopedia Britannica.

In recent months, the U.S. government has taken steps to defund and dismantle key infectious disease programs, including a National Institutes of Health lab that has contributed to groundbreaking work ...