World Mosquito Day is celebrated every year on August 20th to commemorate Sir Ronald Ross’ discovery in 1897 that female mosquitoes (later identified from the genus Anopheles) transmit malaria to humans. Since Ross’ discovery over 120 years ago, we certainly know more about malaria and how to prevent it, but there’s still a long way to go. Malaria continues to be endemic (regularly found) in many countries and due to increases in international travel, particularly to tropical areas, the number of malaria infections in travellers has been increasing. Misconceptions about the severity of malaria, how to prevent it, and areas of risk can lead travellers to arrive at their destination inadequately prepared and unprotected. Malaria can be prevented by ...