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At a time the deadly coronavirus epidemic is creating havoc, the World Meteorological Organisation (WMO) has warned widespread transmission of dengue due to climate changes that brings rising temperatures and unpredictable rainfall patterns. The WMO has also warned rise of global hunger and large number of displacement due to extreme climatic conditions across the world. The WMO report on state of global climate 2019 said that the global incidence of dengue has grown dramatically in recent decades, and about half of the world population is now at risk of infection. “In 2019, the world experienced a large increase in dengue cases. Changes in climatic conditions since 1950 are making it easier for the Aedes mosquito species to transmit dengue virus, increasing the risk of the occurrence of disease.,’ the report said.