Much before Nipah virus killed three persons in Kozhikode, health experts in state had been discussing about the increased threat of emerging, infectious disease, including Nipah virus, in Kerala. “There has been (at least) one new infection every year (since 1970) and 30 new infectious diseases over the past 20 years. The risk of an infectious disease outbreak is increasing in Kerala. The probable reason for this situation could be the destruction of forest due to rapid urbanization. This has destroyed the natural habitat of animals and birds, including bats. Now, there is increased contact between man and animal. This increases the risk of many zoonotic diseases”, said Dr. Rakesh P. S., Assistant Professor, Community Medicine, Amrita School of Medicine, Kochi.