3 African countries chosen to test 1st malaria vaccine
JOHANNESBURG: Three African countries have been chosen to test the world's first malaria vaccine, the World Health Organization announced Monday. Ghana, Kenya and Malawi will begin piloting the injectable vaccine next year with young children.
The vaccine has the potential to save tens of thousands of lives if used with existing measures, the WHO regional director for Africa, Dr. Matshidiso Moeti, said in a statement. The challenge is whether impoverished countries can deliver the required four doses of the vaccine for each child.
Mosquito-borne malaria infects more than 200 million people worldwide every year and kills about half a million, most of them children in Africa. Bed netting and insecticides are the chief protection.
A global effort to counter malaria has led to a 62 percent cut in deaths between 2000 and 2015, WHO said. But the U.N. agency has said in the past that such estimates are based mostly on modeling and that data is so bad for 31 countries in Africa - including those believed to have the worst outbreaks - that it couldn't tell if cases have been rising or falling in the last 15 years.
The vaccine will be tested on children five to 17 months old to see whether its protective effects shown so far in clinical trials can hold up under real-life conditions. The vaccine has taken decades of work and hundreds of millions of dollars to develop.
Malaria spreads when a mosquito bites someone already infected, sucks up blood and parasites, and then bites another person.
WHO is hoping to wipe out malaria by 2040 despite increasing resistance problems to both drugs and insecticides used to kill mosquitoes.
The vaccine has the potential to save tens of thousands of lives if used with existing measures, the WHO regional director for Africa, Dr. Matshidiso Moeti, said in a statement. The challenge is whether impoverished countries can deliver the required four doses of the vaccine for each child.
Mosquito-borne malaria infects more than 200 million people worldwide every year and kills about half a million, most of them children in Africa. Bed netting and insecticides are the chief protection.
A global effort to counter malaria has led to a 62 percent cut in deaths between 2000 and 2015, WHO said. But the U.N. agency has said in the past that such estimates are based mostly on modeling and that data is so bad for 31 countries in Africa - including those believed to have the worst outbreaks - that it couldn't tell if cases have been rising or falling in the last 15 years.
The vaccine will be tested on children five to 17 months old to see whether its protective effects shown so far in clinical trials can hold up under real-life conditions. The vaccine has taken decades of work and hundreds of millions of dollars to develop.
Malaria spreads when a mosquito bites someone already infected, sucks up blood and parasites, and then bites another person.
WHO is hoping to wipe out malaria by 2040 despite increasing resistance problems to both drugs and insecticides used to kill mosquitoes.
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