epidemiology

Why do some obese people actually experience health benefits?

Researchers are striving to understand exactly what has made the global population get so fat so fast.

Experts discuss the agency’s classification of red and processed meats as probable and confirmed carcinogens, respectively.

Researchers detect Ebola virus fragments in semen samples from some male survivors up to nine months after the onset of symptoms.

Following an outbreak in New York City last month, Legionnaires’ disease pops up in Illinois and California. 

The consumption of trans fats is tied to a higher chance of disease and dying sooner, according to a systematic review.

New York City reports its eighth victim of Legionnaires’ disease in the past month. Nearly 100 people have been hospitalized.

An international panel concludes that the World Health Organization is not prepared to handle another emergency like the Ebola outbreak in West Africa.

Authorities report three cases of Ebola in Liberia, which was declared free of the virus in May.

Annually, about 184,000 deaths annually are linked to drinking sugary beverages, according to a new study.

Macaque trainers in Bangladesh are often bitten by their monkeys, but rarely infected by a particular simian retrovirus.

Disease eradication in the 21st century

The eradication of smallpox set the standard for the global elimination of a devastating infectious disease. Will the ongoing polio and guinea worm campaigns be as successful?

Increasingly precise remote-sensing data are helping researchers monitor and predict cases of infectious disease.

After the West African nation goes more than a month with no new reported cases of viral infection, the World Health Organization says the country is Ebola-free.

Researchers find evidence that measles vaccines reduced deaths from other infectious diseases due to “immune amnesia.”

Social networking sites may facilitate the spread of sexually transmitted disease, but these sites also serve as effective education and prevention tools.

A strain of HIV that has afflicted more than 100,000 people emerged from gorillas.

Most forecasting methods used to predict the extent of the Ebola outbreak in West Africa overestimated the epidemic’s reach, an updated analysis shows.

A study suggests that the virus may not be evolving as quickly as a previous group estimated.