Most people infected with the potentially fatal disease, valley fever, are unaware of the disease, so it is impossible to estimate the exact number of such people. An insidious fungal infection is attacking California and doesn't seem to be stopping. Victor Gutierrez contracted valley fever, caused by a soil fungus, around...

Two studies presented at a meeting of the American Society for Tropical Medicine and Hygiene have shown that Zika virus affects human health when it interacts with Chikugunya virus and Dengue fever. One group of scientists found that mosquitoes can identify the Zika virus and the virus ...

In New York, two people have died as a result of an outbreak of Legionnaires' disease (also known as Pittsburgh pneumonia). Since mid-July, the New York City Department of Health has reported 31 cases of influenza in the south Bronx. Legionnaires' disease is a respiratory bacterial infection that typically spreads...