Malaria Vaccine Fails to Work After Four Years

A new vaccine that has raised hopes of becoming a potent new tool in the battle against malaria seems to stop working in children after four years, according to research. The vaccine candidate – known as RTS,S – is not yet on the market, but ongoing trials in seven African countries generated hope that it might help slow new malaria cases as drug resistance to the deadly parasite grows.
News.com.au