article_snippet.sent: A new jab against malaria could prevent millions of cases, scientists claim.
article_snippet.sent: Among those who had three doses of RTS,S and a booster shot, the number of clinical cases of malaria – those confirmed by a doctor – was reduced by 36 per cent after four years.
article_snippet.sent: There is no licensed vaccine against malaria anywhere in the world and researchers say researchers are hopeful the results will be sufficient for RTS,S to gain a licence from the EMA.The World Health Organisation could then recommend S use by October this year.
article_snippet.sent: In the trials, an average of 1,363 cases of clinical malaria were prevented over four years for every 1,000 children vaccinated, and 1,774 cases in those who also received a booster.
article_snippet.sent: Given that there were an estimated 198million malaria cases in 2013, this level of efficacy potentially translates into millions of cases of malaria in children being prevented.
article_snippet.sent: the world's most deadly disease is difficult to treat because the malaria parasite has a complicated life cycle and has learned how to evade the human immune system over hundreds of years.
article_snippet.sent: Currently, the most effective prevention measure is the use of mosquito nets.
article_snippet.sent: Only female mosquitos can transmit malaria .