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Zika Virus Infection News

Related terms: Zika Fever, Zika Disease, Zika

Zika May Linger in Semen for Shorter Period Than Thought: Study

Posted 11 days ago by Drugs.com

WEDNESDAY, April 11, 2018 – Guidelines in place for protecting against the sexual transmission of Zika virus need to be re-evaluated, based on a new study from the U.S. Centers for Disease Control and Prevention. The CDC currently recommends that men who have traveled to a Zika-active region either use condoms or abstain from sex for at least 6 months. But that guideline is based on data showing ...

Zika Infection After Birth May Require Long-Term Follow-Up

Posted 18 days ago by Drugs.com

WEDNESDAY, April 4, 2018 – Babies who contract Zika virus early in infancy should have long-term monitoring, a new animal study suggests. Researchers found that monkeys infected with the Zika virus shortly after birth developed long-term abnormalities in brain structure and function. The animals also displayed behavioral and emotional problems. There has been significant investigation of the ...

Birth Defects Affect 7 Percent of Zika-Exposed Babies: Study

Posted 15 Mar 2018 by Drugs.com

WEDNESDAY, March 14, 2018 – A new study of pregnant women in the Caribbean further confirms that Zika virus causes birth defects, particularly if infection occurs early in pregnancy. About 7 percent of Zika-infected women in French territories of the Caribbean delivered babies that suffered from birth defects of the brain and eyes, researchers report. These numbers are close to those reflected ...

Mosquitoes Spreading Zika Virus in Parts of U.S.: CDC

Posted 8 Mar 2018 by Drugs.com

THURSDAY, March 8, 2018 – Zika infections are on the rise in parts of the United States where mosquitoes spread the virus, according to the U.S. Centers for Disease Control and Prevention. The CDC reported 5,168 cases of Zika-related illness in 2016. Of those cases in 50 states and Washington, D.C., more than 90 percent were in people who had visited Zika-risk areas outside of the continental ...

Babies With Normal Head Size Might Still Have Zika-Linked Brain Damage

Posted 5 Feb 2018 by Drugs.com

MONDAY, Feb. 5, 2018 – Fetal brain damage caused by the Zika virus can go undetected in pregnancy, and can occur even if a baby's head size is normal, research in monkeys suggests. The findings indicate that many children with Zika-related brain damage may go undiagnosed and are at increased risk for learning disorders, mental illness and dementia, according to researchers from the University of ...

West Nile Virus May Pose Zika-Like Threat to Fetus

Posted 31 Jan 2018 by Drugs.com

WEDNESDAY, Jan. 31, 2018 – Zika may not be the only virus that can harm a fetus, a new study in mice suggests. "We found that West Nile virus and Powassan viruses shared with Zika the ability to infect the placenta and cause fetal death," said senior researcher Dr. Jonathan Miner, who's with Washington University School of Medicine in St. Louis. Both of those viruses are spread by the bites of ...

A New Way to Thwart Disease-Spreading Mosquitoes

Posted 29 Jan 2018 by Drugs.com

MONDAY, Jan. 29, 2018 – It sounds like science fiction, but researchers say they have taken the first step toward creating female mosquitoes that don't bite and spread disease. They identified 902 genes related to blood feeding and 478 genes linked to non-blood feeding from the mosquito species Wyeomyia smithii. Found in swamps and bogs along the east coast of North America, they are commonly ...

Zika Attacks Placentas of Pregnant Monkeys, Study Finds

Posted 27 Jan 2018 by Drugs.com

FRIDAY, Jan. 26, 2018 – When Zika infection occurs during pregnancy, the virus may damage the placenta, new research finds. This may explain how the infection causes birth defects. It hasn't been clear how Zika infection can cause birth defects such as microcephaly, a smaller-than-normal head and an underdeveloped brain. So Dr. Antonio Frias, an obstetrician and gynecologist at Oregon Health & ...

Zika Tied to Rise in U.S. Birth Defects: CDC

Posted 25 Jan 2018 by Drugs.com

THURSDAY, Jan. 25, 2018 – There was a significant rise in Zika-related birth defects in areas of the United States with local transmission of the mosquito-borne virus, a new report shows. "Babies with Zika-related birth defects need all the help they can get, as soon as possible, and for as long as they need it," said Dr. Brenda Fitzgerald, director of the U.S. Centers for Disease Control and ...

Swatting Teaches Mosquitoes a Lesson They Won't Forget

Posted 25 Jan 2018 by Drugs.com

THURSDAY, Jan. 25, 2018 – Those pesky mosquitoes may be smarter than you thought: Turns out that swatting them away may actually teach them to leave you alone. Researchers found mosquitoes can be taught to associate the odor of a person or animal to a mechanical shock similar to being swatted. Once the pests learn the link, they'll avoid that scent – and their target. "Once mosquitoes learned ...

Mom-to-Be's Immune Response May Trigger Zika Birth Defects

Posted 5 Jan 2018 by Drugs.com

FRIDAY, Jan. 5, 2018 – Zika might not directly cause the miscarriages and birth defects that have been associated with the notorious virus, a new study in mice suggests. Instead, the ravaging effects of Zika infection on a developing fetus appear to stem from the immune response of the expecting mother, researchers said. Lab mice bred without a key step in their immune response wound up birthing ...

Zika Babies Facing Increasing Health Problems With Age

Posted 15 Dec 2017 by Drugs.com

THURSDAY, Dec. 14, 2017 – Most children born with brain abnormalities caused by the Zika virus are facing severe health and developmental challenges at 2 years of age, a new study suggests. These problems may include seizures, an inability to sit independently as well as problems with sleep, feeding, hearing and vision, according to researchers from the U.S. Centers for Disease Control and ...

Zika Nerve Damage May Stem From Body's Response to the Virus

Posted 27 Nov 2017 by Drugs.com

MONDAY, Nov. 27, 2017 – Nerve-related complications of Zika infection may be caused by the immune system's response to the virus, not the virus itself, according to a new study. Zika is spread primarily via the bite of an infected mosquito, but it may also be transmitted by blood transfusion or sexual contact. Most people who become infected don't have any symptoms, but some develop serious ...

Bio-Engineered Mosquitoes to be Released In U.S.

Posted 9 Nov 2017 by Drugs.com

Bio-engineered mosquitoes will be released in many parts of the United States next year in an attempt to reduce wild populations of mosquitoes that can transmit diseases such as Zika, yellow fever and Dengue fever. The lab-grown male Asian Tiger mosquitoes are infected with bacteria that prevents reproduction, but does not pose a risk to other insects or animals, according to Kentucky-based ...

Treeless Tropics, More Disease-Carrying Mosquitoes?

Posted 2 Nov 2017 by Drugs.com

THURSDAY, Nov. 2, 2017 – Deforestation doesn't just strip the landscape. In tropical regions, it may also lead to more disease-carrying mosquitoes, University of Florida researchers say. "Converting pristine tropical forests into areas for agriculture or other uses creates a habitat for the mosquitoes that transmit human diseases," lead study author Nathan Burkett-Cadena said in a university ...

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