The frequency of intense tropical cyclones is increasing in the South Indian Ocean - a region that previously didn't have these.
Japanese encephalitis virus is rare and doesn't usually cause symptoms. But in a small proportion of cases it can result in long-term neurological impairment and death.
Bananas, garlic, vitamin B and beer. There is little scientific evidence backing claims that what we eat and drink changes how likely we are to be bitten by mosquitoes.