Malaria
-About 3.3 billion people, half the world's population, are at risk of malaria
-People living in the poorest sub-tropical and tropical countries are the most susceptible
-Caused by mosquito-borne parasite
-Killed 627,000 people in 2012, mostly African children
-Kills by restricting blood flow to vital organs
-Symptoms include fever, headache and vomiting
Source: WHO
-About 3.3 billion people, half the world's population, are at risk of malaria
-People living in the poorest sub-tropical and tropical countries are the most susceptible
-Caused by mosquito-borne parasite
-Killed 627,000 people in 2012, mostly African children
-Kills by restricting blood flow to vital organs
-Symptoms include fever, headache and vomiting
Source: WHO