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  • Zika Arrived in Florida at Least Four Different Ways

    Posted: 06/05/2017

    Zika Arrived in Florida at Least Four Different Ways WEDNESDAY, May 24, 2017 (HealthDay News) -- The 2016 Zika outbreak in Florida wasn't due to a single introduction and spread of the virus, but rather at least four separate events, researchers report. By analyzing the genetic material of Zika viruses found in people and mosquitoes in Florida, the scientists also concluded that local transmission of the Zika virus likely began in spring 2016 before the first local case was confirmed. The researchers sa...

  • Zika Mosquito Can Transmit Other Viruses, Too

    Posted: 05/27/2017

    Zika Mosquito Can Transmit Other Viruses, Too FRIDAY, May 19, 2017 (HealthDay News) -- The mosquito species that's the main carrier of the Zika virus might also transmit two other viruses -- chikungunya and dengue -- in a single bite, researchers report. "A mosquito, in theory, could give you multiple viruses at once," said Claudia Ruckert, a postdoctoral researcher at Colorado State University. The findings about the Aedes aegypti mosquito may help improve understanding of what is called coinfection, w...

  • Zika Risk May Be Lower Than Thought for Some Pregnant Women

    Posted: 05/16/2017

    Zika Risk May Be Lower Than Thought for Some Pregnant Women TUESDAY, May 9, 2017 (HealthDay News) -- U.S. women traveling to areas where the Zika virus is circulating might be less likely to be infected than expected, but risk remains, a new study suggests. Only one out of 185 pregnant women at a Los Angeles clinic who visited an active Zika area between January and August 2016 wound up infected, researchers report. "Overall, for women who have had exposures to Zika virus, the risk of maternal infection...

  • Zika Epidemic in U.S. Could Be a Costly Scenario

    Posted: 05/11/2017

    Zika Epidemic in U.S. Could Be a Costly Scenario WEDNESDAY, May 3, 2017 (HealthDay News) -- An outbreak of the mosquito-borne Zika virus in the United States could be very costly, a new study warns. "This is a threat that has not gone away. Zika is still spreading silently and we are just now approaching mosquito season in the United States, which has the potential of significantly increasing the spread," said study leader Dr. Bruce Lee. He is an associate professor in the department of international he...

  • Zika Can Harm Babies' Vision, Too

    Posted: 04/25/2017

    Zika Can Harm Babies' Vision, Too TUESDAY, April 18, 2017 (HealthDay News) -- Although Zika virus is most well-known for the devastating neurological damage it can cause in the womb, a new study reports that some babies infected with Zika also may have lifelong vision impairment. Forty-three babies born in Colombia and Venezuela suffered damage to both eyes after being exposed to Zika through their pregnant mothers, researchers said. Their mothers showed no signs of eye problems. The damage mainly invol...

  • Zejula Approved for Certain Female Cancers

    Posted: 04/04/2017

    Zejula Approved for Certain Female Cancers TUESDAY, March 28, 2017 (HealthDay News) -- Zejula (niraparib) has been approved by the U.S. Food and Drug Administration to treat adult women with recurring cancers of the ovaries, fallopian tubes or abdominal wall (peritoneum) whose tumors have shrunk in response to platinum-based chemotherapy. Citing the National Cancer Institute, the FDA said in a news release that more than 22,000 women are expected to be diagnosed with these cancers this year, and more th...

  • Zika Virus May Also Harm the Heart

    Posted: 03/19/2017

    Zika Virus May Also Harm the Heart THURSDAY, March 9, 2017 (HealthDay News) -- Zika may cause heart problems in some people infected with the mosquito-borne virus, researchers report. A new study has identified nine Venezuelan patients who suffered from heart problems shortly after coming down with Zika virus symptoms. Eight of the nine patients developed dangerous heart rhythm disorders, and two-thirds had evidence of heart failure, a condition in which the heart isn't pumping enough blood to meet the ...

  • Zika Attacks Nerves, Muscles, Other Tissues

    Posted: 03/19/2017

    Zika Attacks Nerves, Muscles, Other Tissues THURSDAY, March 9, 2017 (HealthDay News) -- Scientists have learned where the Zika virus attacks the body in monkeys. In their study, researchers saw that the virus invades tissues in the nervous system, reproductive and urinary tracts, lymph nodes, muscles and joints. Zika then persists in these tissues for at least 35 days, the researchers reported. "This study helps us better understand how the virus manifests itself so that scientists can develop therapies...

  • Zika Infection Shrinks Testicles in Mice

    Posted: 03/01/2017

    Zika Infection Shrinks Testicles in Mice WEDNESDAY, Feb. 22, 2017 (HealthDay News) -- Zika virus can be sexually transmitted through semen, and a new mouse study could help explain why that occurs -- and how the virus might damage male fertility. In lab research, Zika attacked the testicles of mice, targeting cells that produce the male hormone testosterone and ultimately causing testes to shrink, the researchers said. These findings "explain the persistence of the virus in semen," said Dr. Amesh Adalja...

  • Zika Lingers in Semen for Less Time Than Thought: Study

    Posted: 02/22/2017

    Zika Lingers in Semen for Less Time Than Thought: Study TUESDAY, Feb. 14, 2017 (HealthDay News) -- New research suggests the Zika virus lingers in a man's semen no longer than three months in almost all cases. Still, guidelines from the U.S. Centers of Disease Control and Prevention recommend that infected men use condoms or abstain from sex for six months after infection with the Zika virus. Infectious disease experts said those guidelines should stay that way. "Better to err on the long end," said Mat...