Failure to control mosquitoes has led to two fever epidemics in India

India is battling an unprecedented epidemic of chikungunya, an uncommon viral fever spread by mosquito bites. It is thought that more than 1.3 million people across southern and central India have been infected. Meanwhile a simultaneous outbreak of dengue haemorrhagic fever, spread by the same species of mosquito, has affected 3600 people and killed 48 in several states. Doctors say that India's weak mechanisms for disease surveillance and a steady deterioration of …