• Laurinaldo Alves adjusts the pacifier of his daughter Luana Vitoria, who suffers from microcephaly, during a physical stimulation session at the Altino Ventura foundation, a treatment center that provides free health care, in Recife, Pernambuco state, Brazil, Thursday, Feb. 4, 2016. Brazil is in the midst of a Zika outbreak and authorities say they have also detected a spike in cases of microcephaly in newborn children, but the link between Zika and microcephaly is as yet unproven. (AP Photo/Felipe Dana)

    Brazil considers reforming biosecurity law amid criticism

    RIO DE JANEIRO (AP) — Brazilian officials will soon decide whether to amend the South American nation’s rigid procedures for sharing Zika samples, the Cabinet chief’s spokeswoman said Friday, as officials announced that they were sending a set of samples to U.S. researchers amid complaints of hoarding.

  • In this Tuesday, Jan. 26, 2016 file photo, a health workers stands in the Sambadrome spraying insecticide to combat the Aedes aegypti mosquito that transmits the Zika virus in Rio de Janeiro, Brazil. Inspectors begin to spray insecticide around Sambadrome, the outdoor grounds where thousands of dancers and musicians will parade during the city's Feb. 5-10 Carnival celebrations. Brazil's health minister says the country will mobilize some 220,000 troops to battle the mosquito blamed for spreading a virus linked to birth defects. (AP Photo/Leo Correa, File)

    Historian: Zika won’t stop Olympics; only war has done that

    RIO DE JANEIRO (AP) — The world’s best known Olympic historian said Friday it will take something more destructive than the Zika virus to cancel the Rio de Janeiro Olympics.

  • Brazilian Army soldiers distribute flyers with information on how to combat the Aedes aegypti during the "Burial of the Mosquito" carnival block parade in Olinda, Pernambuco state, Brazil, Friday, Feb. 5, 2016. The parade that happens every year during carnival informs residents and tourists about the dangers of the Aedes aegypti and teaches them how to combat the mosquitoes. (AP Photo/Felipe Dana)

    The Latest: Colombia official attributes 3 deaths to Zika

    RIO DE JANEIRO (AP) — The Latest on efforts to battle the Zika virus (all times local):

  • Young revelers joke with each other as they lay on the shade during the "Burial of the Mosquito" carnival block parade in Olinda, Pernambuco state, Brazil, Friday, Feb. 5, 2016. The parade that happens every year during carnival informs residents and tourists about the dangers of the Aedes aegypti and teaches them how to combat the mosquito. (AP Photo/Felipe Dana)

    For Brazil’s Carnival fans, even Zika can’t stop the party

    RIO DE JANEIRO (AP) — Brazilian Carnival could be called a hungry mosquito’s dream — five days of non-stop street parties that bring together millions of revelers in an inviting mass of bare ankles, uncovered legs and denuded torsos. So the mosquito-borne Zika virus might be expected to dampen this year’s debauchery.

  • A municipal health worker sprays insecticide in an open area of a sports facility, to combat the Aedes aegypti mosquito that transmits the Zika virus, in Recife, Pernambuco state, Brazil, Thursday, Feb. 4, 2016. With no hope for a vaccine to prevent Zika in the near future, authorities are focusing on the most effective way to combat the virus: killing the mosquito that carries it. (AP Photo/Felipe Dana)

    Brazil minister says no plans to cancel Rio Games

    RIO DE JANEIRO (AP) — Brazilian organizers have reiterated they have no intention of canceling the Rio de Janeiro Olympics because of the outbreak of the Zika virus, with Sports Minister George Hilton saying the topic “is not in discussion.”

  • Aedes aegypti mosquitoes to be tested for various diseases perch inside a container at the Gorgas Memorial Laboratory in Panama City, Thursday, Feb. 4, 2016. Panamanian authorities announced on Monday that 50 cases of the Zika virus infection have been detected in Panama's sparsely populated Guna Yala indigenous area along the Caribbean coast. The Aedes aegypti mosquito is vector for the spread of the Zika virus. (AP Photo/Arnulfo Franco)

    The Latest: US, Colombia to team up on Zika research

    RIO DE JANEIRO (AP) — The Latest on the mosquito-born Zika virus, which is suspected of causing brain deformities in babies (all times local):

  • A municipal health worker sprays insecticide in an open area of a sports facility, to combat the Aedes aegypti mosquito that transmits the Zika virus, in Recife, Pernambuco state, Brazil, Thursday, Feb. 4, 2016. With no hope for a vaccine to prevent Zika in the near future, authorities are focusing on the most effective way to combat the virus: killing the mosquito that carries it. (AP Photo/Felipe Dana)

    Brazil health official confirm Zika spread via transfusion

    RIO DE JANEIRO (AP) — Two people in southeastern Brazil contracted the Zika virus through blood transfusions, a municipal health official said Thursday, presenting a fresh challenge to efforts to contain the virus on top of the disclosure of a case of sexual transmission in the United States.

  • In this Feb. 1, 2016 photo, a technician from the British biotec company Oxitec, inspects the pupae of genetically modified Aedes aegypti mosquitoes, a vector for transmitting the Zika virus, in Campinas, Brazil. The company said tests begun last April as part of a dengue-fighting program in the small southeastern city of Piracicaba suggested the release of the GM males reduced the wild Aedes larvae population in the target neighborhood by more than 80 percent. Brazil is in the midst of a Zika outbreak and authorities say they have also detected a spike in cases of microcephaly in newborn children, but the link between Zika and microcephaly is as yet unproven. (AP Photo/Andre Penner)

    British Olympic Association providing guidance on Zika

    LONDON (AP) — The British Olympic Association says it will provide medical guidance to athletes about the Zika virus ahead of the Olympics in Rio de Janeiro.

  • In this Jan. 27, 2016, file photo, an Aedes aegypti mosquito is photographed through a microscope at the Fiocruz institute in Recife, Pernambuco state, Brazil. The mosquito behind the Zika virus seems to operate like a heat-driven missile of disease. Scientists say the hotter it gets, the better the mosquito that carries Zika virus is at transmitting a variety of dangerous illnesses. (AP Photo/Felipe Dana, File)

    Health officials want more Zika samples, data from Brazil

    RIO DE JANEIRO (AP) — Brazil is not sharing enough samples and disease data to let researchers determine whether the Zika virus is, as feared, linked to the increased number of babies born with abnormally small heads in the South American country, U.N. and U.S. health officials say.

  • Brazil's Health Minister Marcelo Castro speaks to the press before attending the Mercosur Health Ministers summit to address the spread of Zika virus in the region, at the Mercosur building in Montevideo, Uruguay, Wednesday, Feb. 3, 2016. The ministers of 13 countries are meeting to coordinate actions to try and fight the spread of the mosquito born virus. Castro said that efforts are being made to create a vaccine against it. (AP Photo/Matilde Campodonico)

    APNewsbreak: Few Zika samples being shared by Brazil

    RIO DE JANEIRO (AP) — U.N. and U.S. health officials tell The Associated Press that Brazil has yet to share enough samples and disease data needed to answer the most worrying question about the Zika outbreak: whether the virus is actually responsible for the increase in the number of babies born with abnormally small heads in Brazil.