CHICAGO (CBS) -- Warmer temperatures are impacting the food supply and its safety, experts warned amid an outbreak of E. coli that has struck McDonald's Quarter Pounders. Experts said pathogens—the ...

How do pathogens invade the lungs? Using human lung microtissues, a team has uncovered the strategy used by a dangerous pathogen. The bacterium targets specific lung cells and has developed a ...

Conjunctivitis, often called pink eye, has long been associated with certain telltale signs and common causes. However, a ...

In a new genetic study, scientists have charted the rise of 214 human diseases across ancient Europe and Asia. By Carl Zimmer To prepare for future pandemics, scientists look to the past for clues.