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Particles of Zika Virus

zika virus

Particles of Zika Virus
Particles of Zika Virus

Zika virus can enter pregnancy tests confirm

#Cosmoread: New test now officially confirms what doctors have long suspected: Zika virus crosses the placental barrier in a pregnant woman and the amniotic fluid, the protective fluid that surrounds the developing fetus within the womb can enter.

However, the findings do not show that Zika virus that causes microcephaly, a congenital condition in infants that causes them to be born with very small heads, the researchers cautioned.

Mothers after “Previous studies saliva, breast milk and urine of mothers and their newborns in the Zika virus is identified,” Oswaldo Cruz Institute in Rio de Janeiro, lead, lead study author Dr. Anna Maria de Filippis had, said in a statement. “This study reports the details of Zika virus directly into the amniotic fluid of a woman during her pregnancy being identified, suggesting that the virus is able to infect the placental barrier and the potential fetus,” she said.

Increasing microcephaly

Zika virus is transmitted through the bite of infected mosquitoes. It was first discovered in Uganda in 1947 and for years, such a low fever, rash, red eyes and only mild symptoms such as body aches, was attributed. However, a large Zika outbreak began spreading in Brazil, doctors microcephaly dramatic rise in the number of children born with.
Doctors compared to 2014 reported cases in 2015 to 20 times more of microcephaly.

The new study, which is published today (Feb. 17) in the journal Lancet Infectious Diseases, De Filippis and its allies amniotic fluid samples from two women, Paraiba, Brazil, which examined the symptoms of the infection in the first quarter Zika was your pregnancy. In its 22th week of pregnancy ultrasound showed that children had microcephaly.
Although the women’s blood and urine tested negative for Zika virus, their amniotic fluid tested positive for Zika virus.
In addition, the virus is a strain that was present for the first time in French Polynesia in 2013 was circulated as a genetic sequence.

Although researchers had previously reported their findings to health officials that the virus could enter the amniotic fluid, the peer review reports the results of that analysis to those strains of the genetic sequence of the first publication.

Risk assessment

Microcephaly genetic disorders and drug use can be caused by many factors, including. But there is strong circumstantial evidence tying Zika for the condition. Biomed Central journal in September 2015 The study found that the Zika virus from the same family as the infected animals can cause microcephaly. And other viruses such as HIV, herpes and Chikungunya placenta- as a cross – also in human babies can cause microcephaly.

What is still unknown whether the list should be added Zika.

“This study cannot determine the identity of these two cases in infants Zika virus was the cause of microcephaly whether” de Filippis said. “While we understand the biological mechanisms linking microcephaly the Zika virus, we are certain that another reason is formed, and further research is urgently needed can not be. ”

Out like that the doctors are currently conducting a case-control study to study and born around the same time from the same area of healthy children born with microcephaly compare children.

“All these data strongly suggest that even if the Zika virus can cause microcephaly, Zika virus-related microcephaly number of cases is still unknown,” Didier Musso, Tahiti Louis Malarde institutions, which include the was not an infectious disease researcher on the study, said in an editorial with the new findings.

“The next step is to case-control studies, pregnancy, other fetal or neonatal complications, and infection symptoms and asymptomatic neonates [newborns] during the long-term results for Zika virus after infection to assess the potential risk of microcephaly would be, “Musso wrote.

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