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  • Zika Destroys Fetal Brain Cells, Lab Study Finds

    Posted: 05/06/2016

    Zika Destroys Fetal Brain Cells, Lab Study Finds FRIDAY, May 6, 2016 (HealthDay News) -- The terrible birth defects caused by Zika virus appear to be the result of an immune system response that triggers prenatal brain cell suicide and obstructs fetal brain development, a new lab study reports. The virus apparently activates an immune receptor called TLR3, which the body uses to identify and defend against invading viruses, said lead researcher Tariq Rana. He is a professor of pediatrics and genetics at...

  • Zika Virus Causes Brain Defects in Babies: CDC

    Posted: 04/20/2016

    Zika Virus Causes Brain Defects in Babies: CDC WEDNESDAY, April 13, 2016 (HealthDay News) -- Zika virus is a definite and direct cause of microcephaly and other brain-related birth defects, U.S. health officials announced Wednesday. "It is now clear," Dr. Tom Frieden, director of the U.S. Centers for Disease Control and Prevention, said at a midday media briefing. "The CDC has concluded that Zika does cause microcephaly." "There is still a lot that we don't know, but there is no longer any doubt that Zi...

  • Zika May Be Linked to Autoimmune Brain Disorder, Study Says

    Posted: 04/18/2016

    Zika May Be Linked to Autoimmune Brain Disorder, Study Says SUNDAY, April 10, 2016 (HealthDay News) -- The Zika virus may be linked to yet another brain disorder, this one similar to multiple sclerosis, researchers report. The mosquito-borne virus is already suspected of causing a birth defect called microcephaly -- characterized by an abnormally small head and brain -- and a nervous system disorder called Guillain-Barre syndrome. Now, a new study reports a possible link between Zika and an autoimmune d...

  • Zika Poses Serious Threat to Puerto Rico: U.S. Health Officials

    Posted: 03/17/2016

    Zika Poses Serious Threat to Puerto Rico: U.S. Health Officials THURSDAY, March 10, 2016 (HealthDay News) -- U.S. health officials issued a worrisome assessment Thursday of the continued spread of the Zika virus, which is already suspected of causing thousands of birth defects in Brazil and has made inroads into Puerto Rico. Federal researchers are learning much about the virus. But the more they learn, the more they realize how much they don't know, Dr. Anthony Fauci, director of the U.S. National Inst...

  • Zika Virus Tied to Rare Disorder That Can Cause Paralysis

    Posted: 03/07/2016

    Zika Virus Tied to Rare Disorder That Can Cause Paralysis MONDAY, Feb. 29, 2016 (HealthDay News) -- The Zika virus may cause Guillain-Barre syndrome, a disorder in which the body's immune system attacks part of the nervous system, new research suggests. Blood samples from 42 patients diagnosed with Guillain-Barre syndrome during a Zika virus outbreak in French Polynesia provide the first hard evidence that the mosquito-borne Zika virus might cause this severe neurological disorder, researchers said. "Th...

  • Zika Found in 9 U.S. Pregnancies, Outcomes Often Severe: CDC

    Posted: 03/07/2016

    Zika Found in 9 U.S. Pregnancies, Outcomes Often Severe: CDC FRIDAY, Feb. 26, 2016 (HealthDay News) -- Five of nine pregnancies among U.S. women who were infected with the Zika virus have resulted in tragic outcomes, federal health officials said Friday. All of the women contracted the mosquito-borne virus while traveling outside the United States, in regions experiencing Zika outbreaks, the officials said. In four of the cases, the women lost their babies: Two to miscarriage and two to abortions after ...

  • Zika Found in 9 U.S. Pregnancies, Outcomes Often Severe: CDC

    Posted: 03/07/2016

    Zika Found in 9 U.S. Pregnancies, Outcomes Often Severe: CDC SATURDAY, Feb. 27, 2016 (HealthDay News) -- Five of nine pregnancies among U.S. women who were infected with the Zika virus have resulted in tragic outcomes, federal health officials said Friday. All of the women contracted the mosquito-borne virus while traveling outside the United States, in regions experiencing Zika outbreaks, the officials said. In four of the cases, the women lost their babies: Two to miscarriage and two to abortions afte...

  • Zepatier Approved for Chronic Hepatitis C

    Posted: 02/05/2016

    Zepatier Approved for Chronic Hepatitis C FRIDAY, Jan. 29, 2016 (HealthDay News) -- Zepatier (a combination of elbasvir and grazoprevir) has been approved by the U.S. Food and Drug Administration to treat chronic infection with the hepatitis C virus, genotypes 1 and 4. Hepatitis C causes liver inflammation, which can lead to liver failure. Most infected people have no symptoms until the onset of liver damage, which could take several years, the FDA said in a news release. Possible symptoms include a yel...

  • Zika Vaccine Efforts Get Boost From Prior Research

    Posted: 02/04/2016

    Zika Vaccine Efforts Get Boost From Prior Research THURSDAY, Jan. 28, 2016 (HealthDay News) -- Efforts to create a Zika vaccine are getting a leg up from lessons learned during earlier battles against other mosquito-borne viruses, U.S. health officials reported Thursday. Researchers are working on two potential vaccines, each based on earlier vaccines created in response to prior outbreaks of West Nile virus and dengue, Dr. Anthony Fauci, director of the U.S. National Institute of Allergy and Infectious...

  • Zika Virus Expected to Spread North Through U.S.: WHO

    Posted: 02/01/2016

    Zika Virus Expected to Spread North Through U.S.: WHO MONDAY, Jan. 25, 2016 (HealthDay News) -- The mosquito-borne Zika virus, which has harmed thousands of babies born in Brazil, will likely spread to all but two countries in North, Central and South America, the World Health Organization warns. Transmission is probable because the Aedes mosquitoes, which spread the virus, populate the entire region except for Canada and continental Chile. Also, the "population of the Americas had not previously been e...