Sentences with phrase «cases of microcephaly»

The discovery doesn't prove the Zika virus is the cause of thousands of cases of microcephaly in Brazilian babies since the spring.

Brazil is the country hit hardest by Zika, with thousands of cases of microcephaly reported so far.

The Pan American Health Organization says cases of microcephaly in Brazil increased 20-fold last year.

Among cases of microcephaly reported in Colombia so far this year, four babies had laboratory evidence of a Zika virus infection.

The CDC said the precaution is in place «until we know more» about the dangers of sexual transmission of the mosquito - borne virus, which is linked to thousands of cases of microcephaly in newborns in Brazil.

Since the Zika epidemic began last spring, it's believed there have been more than 5,600 suspected or confirmed cases of microcephaly in Brazil, the World Health Organization reported Friday.

It has since become the hardest hit country, with an estimated 1.5 million cases of active Zika transmission and 641 confirmed cases of microcephaly.

Since October, Brazil has reported more than 4,000 suspected cases of microcephaly in areas with Zika circulation.

In cases of microcephaly, the baby's head is exceptionally small, due to an underdeveloped brain.

Although Brazil has had more than 4000 suspected cases of microcephaly, it has confirmed only 270 cases of this brain - damaging condition in children born to mothers who had evidence of having been infected with the virus.

But the Brazilian government is now warning that the virus may be responsible for a dramatic increase in cases of microcephaly, a severe birth defect in which the brain fails to develop properly and the head is much smaller than normal.

As of March 30, the CDC has reported 312 cases of the Zika virus in the United States and heightened its efforts in response to Zika and the cases of microcephaly and other neurological disorders associated with the virus.

Reliable diagnostic criteria for the identification of cases of microcephaly are also still required.»

In Brazil, the country hit hardest by the epidemic so far, there have been 6,906 suspected cases of microcephaly as of April 2, 2016.

He continues, «There is a clear temporal association between the increased reporting of cases of microcephaly and of GBS and the Zika virus outbreak.

He said Colombian health authorities would have to address questions about the timing of their reporting Zika - positive cases of microcephaly to WHO.

«The majority of cases of microcephaly and other central nervous system defects are still undergoing investigation to determine whether they are linked to Zika virus infection during pregnancy,» a CDC spokesperson told ScienceInsider.

The MMWR update, co-authored by scientists from CDC and Colombia's ministry of health and national institute of health, offers «preliminary information» about 476 cases of microcephaly identified over the last 11 months.

In contrast, the latest World Health Organization (WHO) «situation report,» with data current to 7 December, said that Colombia had only reported 60 cases of microcephaly or central nervous system malformations potentially linked to Zika.

The WHO in February declared the Zika virus an international public health emergency due to its association in Brazil with suspected cases of microcephaly in babies.

Brazil said on Friday the number of confirmed and suspected cases of microcephaly in Brazil associated with the Zika virus has risen to 5,131 from 4,976 a week earlier.

But health officials suspect it may be behind a surge in cases of microcephaly, a condition which causes babies to develop abnormally small brains and skulls — leading to permanent disability or death.

Menabde said currently 34 countries had reported the Zika virus outbreak, mostly in the Americas and Caribbean, and seven reported an increase in cases of microcephaly.

She said Brazil had registered more than 4,700 suspected cases of microcephaly and a quarter was only studied for the moment.

It has been linked to more than 1,600 cases of microcephaly in Brazil.

The connection between Zika and microcephaly first came to light last fall in Brazil, which has now confirmed more than 1,800 cases of microcephaly that it considers to be related to Zika infection in the mothers.

The outbreak of Zika, a mosquito - borne disease, was detected last year in Brazil, where it has been linked to more than 1,700 cases of microcephaly, a birth defect marked by small head size that can lead to severe developmental problems.

It claimed that a pesticide being used to kill mosquitoes was linked to the cases of microcephaly, not the Zika virus itself.

Not exact matches

This appears to be the first US case of a baby born with microcephaly, a condition in which the brain is abnormally small, after having a Zika infection.

The agency said there have been recent variations in the number of cases reported in the region and, while the level of risk is unknown, Zika virus infection during pregnancy causes severe birth defects, including microcephaly and other severe brain abnormalities.

Given the latest outbreak of the Zika virus this year, we know that in some cases contraceptives are imperative to reduce incidences of birth defects, like microcephaly.

«The rise of microcephaly cases and other neurological disorders in the affected regions is extremely worrying,» he said.

She said before the outbreak of the virus, the average number of microcephaly every year was just 163 cases.

Among the 42 Zika - infected women in the study, 12 were carrying fetuses with severe abnormalities, including absence or withering of brain structures, tissue death, restricted growth and, in one case, microcephaly.

«We've been seeing growing evidence of the association between Zika and congenital central nervous system malformations, not just microcephaly, since the first cases were picked up,» says Wim Van Bortel, senior expert on vector - borne diseases at the European Centre for Disease Prevention and Control in Solna, Sweden.

Earlier this year, the country's tally of microcephaly cases seemed smaller than expected, given the reported rise in Zika infections.

An association between Zika infections during pregnancy and the birth of babies with microcephaly (a birth defect in which an infant's brain does not develop properly resulting in a smaller than normal head) was first suggested by Brazilian physicians in August 2015, and in November microcephaly cases potentially associated with Zika started to be recorded; three months later WHO made its announcement.

Boston Atlantic Photography Cases of both Zika virus and microcephaly — the potentially...

The finding of virus in the brain could also be important, since the most devastating impact of the current outbreak in Brazil appears to be children of infected mothers born with microcephaly — abnormally small heads and, in some cases, incomplete brain development.

That state has seen at least 487 microcephaly cases so far this year, compared with an average of 10 cases annually between 2010 and 2014.

In tandem with the declaration, the committee made two major recommendations: Standardize surveillance for microcephaly and other neurological disorders in places where Zika is spreading, and intensify research to discern whether the clusters of cases are truly linked to the virus.

The study comes in the wake of an ongoing Zika epidemic and an explosion of cases involving fetal death, microcephaly (born with severely decreased head size), and other congenital birth defects.

A particular cause for concern was the increasing number of cases of brain malformations in newborns (microcephaly).

Transmission electron microscope image of negative - stained, Fortaleza - strain Zika virus (red), isolated from a microcephaly case in Brazil.

Zika was known for 60 years as a mild virus that appeared sporadically, but since 2007, two troubling shifts have taken place, Dye said: Zika virus now results in widespread outbreaks of hundreds or thousands of cases, and it is associated with neurological disorders like microcephaly and Guillain - Barre syndrome, a disorder in which the body's immune system attacks the nerves.

Cases of both Zika virus and microcephaly — the potentially related occurrence of babies born with small - sized heads and associated neurological complications — will continue to increase across the Americas, said a panel of public health experts at a 12 February news briefing at the AAAS Annual Meeting in Washington, D.C.

In 2015, the Zika virus began spreading throughout the Americas and a potential link was seen between the virus and a significant increase in cases of fetal microcephaly, as well as other neurologic abnormalities.

He said researchers have undertaken studies to answer some of those questions in Brazil, where the number of microcephaly cases is highest.

They found an increase in microcephaly cases and of Guillain - Barré syndrome.

Researchers have already documented an increase of microcephaly cases coinciding with the outbreak and have found evidence of the virus in brains of newborns who died, as well as in fluid from the placenta of infected pregnant women.