other neurological abnormalities reported in latin america following a similar cluster of french polenesia in 2014 constitutes a public health emergency of international concern >> reporter: here in brazil where the zika epidemic has hit hardest, the emergency is already in place. even as authorities come under fire for not acting fast enough. almost a week ago brazil's government announced that it would be deploying quarter of a million soldiers out into the streets and homes to help eradicate mosquito breeding grounds. so far in rio there is no sign of them, but instead residents have heard that as of now workers with the help of police will be allowed to use force to enter homes to detect still water, where these mosquitos breed. these actions help reduce the number of mosquitos, but not eliminate the virus, which is why the w.h.o.'s increased involvement is considered crucial >> there were two major recommendations. these were surveillance for microcephaly and other neurological disorders needs to be standardised and particularly in areas where zika virus transmission is occurring. at