Diseases, Conditions, Syndromes

Researchers find ancient plague DNA in teeth

An international team of scientists has discovered that two of the world's most devastating plagues – the plague of Justinian and the Black Death, each responsible for killing as many as half the people in Europe—were ...

Immunology

A worm's-eye view of immunity

In 1998, scientists published the first complete genome of a multicellular organism—the worm Caenorhabditis elegans. At the same time, new technologies were emerging to help researchers manipulate genes and learn more about ...

Diseases, Conditions, Syndromes

Typhoid's lethal secret revealed

Typhoid fever is one of the oldest documented diseases known to have afflicted mankind but what makes it so lethal has remained a mystery for centuries. In a study appearing online July 10 in the journal Nature, Yale researchers ...

Diseases, Conditions, Syndromes

Experimental vaccine shows promise against TB meningitis

A team of Johns Hopkins researchers working with animals has developed a vaccine that prevents the virulent TB bacterium from invading the brain and causing the highly lethal condition TB meningitis, a disease that disproportionately ...

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