and president delivering that have to plant one of the skaters. in the favelas the drinking water was infested with mosquito larvae. the authorities added a new insecticide to every water container although no one knew if it would stop the epidemic. so scientists focused on the root of the problem the virus itself. being. tongue emigrated from china to the united states to study viruses i was always interested in viral and seeing viruses are so clever so efficient it s fascinating. when the zeek epidemic broke out in brazil his team were busy studying other
decision to mass produce a vaccine depended on the scale of the epidemic. by the middle of twenty seventeen zico have managed to cross the atlantic to keep verd near the densely populated coast of africa the continent where the virus had first been found. will it produce an epidemic in africa. that s a question being investigated by dr sater salinas she believes the answer lies in the past several decades ago after zico was identified in uganda. but why were there never any cases of microcephaly here. in the u.k. strong trace on fixing someone s theory is that the brazilians e.q. virus developed from the original african strain and became more aggressive on
one explanation could be a natural immunity developed by africans after an epidemic that occurred a long time ago that would sharply reduce the number of microcephaly cases. the confusing thing about microcephaly is that microcephaly is caused by a number of things so the reason you may not have seen it before with zico is that the level of zico was what we call endemic and. not in its outbreak form and then may have been cases that were related to zico to microcephaly but you couldn t distinguish them from microcephaly caused by other causes. if the new brazilian strain spreads in africa the consequences are unpredictable will people immunized by the old strain also be safe from the new virus no one can
indicated that it was if anything somewhat of an in consequential infection. in france experts studied the polynesian epidemic and discovered that seeker might not be as hermits as had been believed. that if you didn t succeed in what was new about this epidemic it was something that had not been observed in europe forty to fifty patients suffered severe paralysis and had to be treated in hospital because they could no longer breathe officer bodies if they were suffering from gillman bar a syndrome. dion battery syndrome was a rare and little known auto immune disease involving severe damage to the nervous system the doctors were astonished by zeek as ability to trigger the condition. but
a few days ala mergers adults and that s when the trouble began. the yellow fever mosquito is attracted to rubber it likes to lay its eggs on the inside of used tires. tires that are at the heart of a booming international trade every year millions of them are packed into container ships and transported all over the world. and the mosquitoes accompany them as stowaway. mosquitoes have outwitted every attempt to beat them. but faced with the zeek a epidemic the brazilian government had no choice but to launch a renewed attack. we are losing the fight against mosquitoes