Cholera, anthrax and Lyme disease are some of the most climate-sensitive diseases.
Study may also explain why circumcision decreases the risk of HIV transmission.
There are 7,000 new infections globally each week among girls aged 15-24, the majority in Sub-Saharan Africa.
Case gives hope to other children who have to take HIV drugs everyday to stay healthy.
Studying cattle could help inform future HIV vaccine development.
They haven't ruled out legal action yet.
Carlos Deangelo Bell is accused of assaulting at least seven boys.
Effective treatment prevents patients from passing on the virus, but few people know that.
How can you tell where an undiscovered virus will emerge that could infect humans?
Financial incentives also increase the likelihood that people will come regularly to the clinic.
In another development, the WHO has added PrEP to its list of essential medicines.
The unidentified man had gone for a swim in the Gulf of Mexico, ignoring advice to avoid open waters at least for 2 weeks.
The study may help improve the way HIV clinical trials for women are designed.
When people stop taking their ART drugs, the virus can re-emerge.
Internal documents show staff spent $200m on air tickets and accommodation.
The guitarist also spoke candidly about Mercury's sexuality.
Antiretroviral therapy has been credited with saving millions of lives.
The country has about 2.1 million people living with HIV.
PrEP can help prevent HIV infections.
Scientists studied ''viral fossils'' to find out how how the HERV-T retrovirus went extinct.
Taken once a day, the drug can, on average, reduce the risk of HIV infection by 86%.
These young people often face more negative health outcomes than HIV patients in other age groups.
