How and why a mosquito bites you
Malaria kills a child every minute and disables millions of adults. While there has been success in tackling the disease, malarial mosquitoes are posing a new threat. They have started biting during the day in some parts of Africa.
Malaria researcher Professor Gabriella Gibson at the University of Greenwich is looking at ways to tackle the problem. She tells Our World how and why mosquitoes bite us.
Find out more and watch more clips at Our World's website.
You can see Our World: Living with Malaria on BBC World News on Friday 24 July at 21:30 GMT and on Saturday 25 July at 00:30 and 03:30 GMT. In the UK the programme can be seen on the BBC News Channel on Saturday 25 July at 04:30 and 21:30 BST and on Sunday 26 July at 03:30 BST