Japanese Encephalitis

Japanese Encephalitis, which is caused by a virus called the Flavivirus, is transmitted by mosquitoes. Previously an endemic disease in Japan, China and Korea, it has now spread to South East Asia, in Thailand, Indonesia, Vietnam, India, Burma and Srilanka. About 85 per cent of the people affected are children less than 15 years of… [ Continue Reading ]


Tetanus, caused by the bacillus Clostridium Tetani, is quite rare in developed countries, but is still an endemic infection in India. The most common form of the disease, neonatal tetanus (newborns suffering from tetanus), has a fatality rate as high as 80 to 90 per cent. One has, however, noticed a decrease in the neonatal… [ Continue Reading ]

Yellow Fever

Yellow Fever looks a lot like dengue haemorrhagic fever and is transmitted by Aedes Aegypti mosquitoes. It also affects monkeys and other vertebrates and is caused by a virus called Flavivirus Fibricus. A patient suffering from yellow fever remains infective during the first three to four days of illness and a mosquito becomes infective after… [ Continue Reading ]