AIDS/HIV - Worldwide distribution and Risk of Transmission

Worldwide AIDS surveillance is undertaken by the World Health Organisation. Reports received from collaborating centers around the world are compiled and the numbers are added up to arrive at the curr...

Allergy

Allergy is immunity fighting the wrong enemy: allergies happens when a person's immune system reacts improperly to things which are usually harmless and treats them like parasites attacking the body.<...

Dengue / Dengue Hemorrhagic Fever / Dengue Shock Syndrome

Dengue and dengue hemorrhagic fever are illness caused by a viral infection that spreads through the bite of the Aedes mosquito. The main symptoms are fever, headache, pain behind the eyes, muscle and...