african virus is just as infectious as the brazilian one if anything it seems even deadlier to the fetal brain cells. the african strain infected far more nerve cells it was even more aggressive took sick. if the findings are confirmed it would mean that the zico virus that was present in africa for decades could also affect cerebral development. so why were there no cases of microcephaly in africa. 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 marcus suffering is that microcephaly is caused by
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