another important story tonight, health officials have confirmed the first transmission a person in dallas was infected after sex with a partner who had been in venezla, where zika is epidemic. it's usually transmitted by mosquitoes, and it's suspected of causing devastating birth defes. hardest hit is brazil, where we find dr. jon lapook. >> reporter: it's a search-and-destroy mission by government workers. each morning, teams of army and health workers target neighborhoods in the city of retief, lookingo kill mopses that may carry the zika virus. recife is the epicenter of the explosion of microcephaly, an abnormally small head at birth linked to the infection. >> each is a notified case of microcephaly. >> reporter: dr. jailson correia heads up the city's health department. >> we are expecting now to reduce the mop plaigz of mosquitoes to see less zika infection in 2016 and hopefully less microcephaly cases later on. >> reporter: there are 72,000 homes in this district alone, two months. 30-year-old silvania borges is pregnant with her fourth child. a worker added a chemical to kill mos

. >> reporter: at a rally in dallas, rubio turned up the he want even more. he mockedrump's tweets by noting the misspelling. >> he meant to say the light-weight but spelled it l-ei-g-h.t . >> reporter: he then resorted to toilet humor. >> he wanted a full-length mirror. i don't know why, because the podium goes up to here. maybe to make sure his pants weren't wet. >> reporter: trump hit back, imitating rubio's 2013 state of the union response when he interrupted his speech to take a drink of water. >> it's rubio! ( cheers ) led many in the republican establishment to throw up their hands in dissmai as former candidate lindsey graham did last night. >> my party has gone bat ( bleep ) crazy. >> reporter: maine's governor paul lepage endorsed trump arguing donald trump could be one of america's great presidents if he put together a good team. >> pelley: major garrett, thanks. bob schieffer has been watching all of this play out today, and he's jning us right now. bob. >> reporter: well, scott, i must tell you, i thought things couldn't get lower than they'd alr

., all infected overseas except for one sexually transmitted case in dallas. now, all wk this week our dr. jon lapook has been covering zika at the place that the outbreak is at its worst, in brazil. jon, you've been working on why florida is taking this action. what have you learned? >> reporter: scott, i think it's an attempt to stay ahead of the problem by lowering the odds that zika virus will enter the florida. so far there's no evidence that those mosquitoes have the zika virus, but here's how it could happen: a person getss infnfted with zika virus in brazil, comes up to the united states, flies into florida. now, it stays in the bloodstream for a week or maybe longer, so a that infected person, picks up the virus, turns around and bites an uninfected person. now you have local spread of zika virus, something they definitely don't want. >> pelley: jon, nobodod has more experieiee dealing with this than the brazilians. what are they doing there that we might see here later? >> reporte scott, it's an all-out effort here. first they're doing public sprayin

case of sexual transmission of zika virus during the current outbreak was reported in dallas. with today's 14 suspects cases, the c.d.c. is rethinking how the disease is spread. jennifer mcquiston studies zika at the c.d.c. >> w wh these new suspected cases that we're investigating, we're really becoming more aware that sexual transmission may happen more often than we previously thought. >> repororr: zika has been linked to microcephaly in newborns, abnormally small heads and developmental delays. the virus remains in the blood for an average of about one week, but can stay in semen for much longer, 62 days in o o case. there's no evidence of sexual transmission from women to men. angelica is due in april and so far, so good. scott, you may be wondering why every day there's new information about zika. remember, 10 years ago, this infection was almost unheard of. now it's exploding and being gang tagled by the scientific community. >> pelley: john,hanks very much. privacy. what about my family? my li'l buddy? and what if this happened again? i was given warfarin in the hospit

of eddie george, the former football player whose nfl career took him from houston to tennessee to dallas. his neww careerr has taken him to new york, the city, and "chicago" the play. here's jim axelrod. >> is everybody here! is everybody readydy hit it! >> reporter: while former football star eddie george is no stranger to the spotlight-- i don't care about expensive things cashmere coats, diamond rings >> reporter: it is a very different stage than where he winning the heisman trophy before a nine-yearar all-pro nfl career. >> i didn't come to this earth just to say i played football for nine years. i won a heisman trophy and die. razzle-dazzle >> reporter: he caut the theater bug as his football career wound down and started from the ground up. how is your footwork? >> footwork is nice, man. i got good feet. >> reporter: drama classes, voice lessons, and shakespeare in his home town of nashville before auditioning for broadway. >> what was important for me was that t te ensemble didn't look at me as a gimmick, this is some guy athlete that wanted to do broadway. >> rporter: no vanity