washington white house congressional democrats pressure republicans thursday bipartisan zika-funding legislation say public health battle mosquito-borne virus undercut efforts ram bill less fund sign republicans would abandon 1.1 billion measure raise chance congress leave grow health crisis unattended september conference call director center disease control prevention say lack fund make difficult health agency ramp mosquito-control diagnostic test pursue new research president barack obama ask republican-controlled congress february 1.9 billion emergency fund fight zika lawmakers prepare leave seven-week recess july 15 senate democrats defeat republican measure last week predict fail 11th hour 59th minute congress go summer say democratic senator bill nelson florida among number southern u.s. state likely hard-hit zika virus u.s. health officials say zika infections pregnant women cause microcephaly birth defect mark small head size lead severe developmental problems baby past days obama urge senate republican leader mitch mcconnell senate democrats adopt bipartisan approach thursday democrats call mcconnell house representatives speaker paul ryan revive bipartisan measure pass senate may mcconnell say would stick current legislation agree house senate negotiators already pass house senior senate republican aide dismiss call change cover democratic efforts block republican measure ryan spokeswoman say hope senate democrats right thing end filibuster even democratic aid express skepticism mcconnell ryan would change course cdc monitor 320 pregnant u.s. women laboratory evidence zika infection puerto rico zika rampant months many 50 pregnant women infect every day cdc director thomas frieden say altogether 1,130 zika case unite state cdc say contract virus outside unite state lab unprotected sex frieden say cdc spend 222 million receive zika unite state state municipal efforts fund staff equipment frankly difficult navigate many unknowns frieden say able things like begin ramp center excellence improve performance diagnostic test mosquito control begin really in-depth study additional fund would also aid vaccine research help community health center areas high zika transmission rat republican measure fail senate june 28 democrats object republican provision include one prevent plan parenthood receive fund combat sexually transmit infection legislation would also take money battle ebola virus fund set aside implement obamacare health insurance program u.s. territories force yet another fail vote cynical legislation pack bag long senate vacation since 1954 senate democratic leader harry reid say world health organization say strong scientific consensus zika also cause guillain-barre rare neurological syndrome cause temporary paralysis adults connection zika microcephaly first come light last fall brazil confirm 1,600 case microcephaly consider relate zika infections mother u.s. democrats pressure republicans bipartisan zika fund