Microcephaly cases in Brazil rise to 3893, linked to Zika

The Florida victims traveled to Colombia and Venezuela and the two pregnant women in IL visited Central America and the Caribbean. She was likely infected while living in Brazil, Hawaii health officials said.

For most, the symptoms are nothing too dire - fever, rash, and some joint pain. Mosquitoes become infected with the Zika virus when they feed on a person already infected with the virus.

Epidemiologists at the Health Department are in the process of "sending out notices to all of the medical practitioners in the area just as a heads up to consider (the Zika virus) as a diagnosis, especially for somebody who has been traveling", O'Connor said.

Pregnant women with two or more symptoms should undergo a blood test for the virus.

Unfortunately, testing an individual for Zika virus is not a cut-and-dry matter.

The CDC has named 14 countries and territories in Latin America and the Caribbean, including Puerto Rico, Mexico and Haiti and are advising pregnant women to avoid travel there.

The women are being monitored by doctors. The CDC warns that pregnant women face the risk of infection in any trimester. Brazil's health officials said that they are convinced that the rise is associated with a sudden outbreak of the Zika virus.

"It will provoke a fair amount of anxiety in the pregnant women and their partner", Schaffner said. Is there any evidence of a person getting infected inside the US? "If that is normal, great, but it needs to be followed up", Riley said. While there is no vaccine to prevent Zika or medicine to treat it, the CDC advised that travelers can protect themselves from the disease by taking steps to prevent mosquito bites.

He says another large team of epidemiologists will head down to Brazil in February.

There may be an effective method to combat the Zika virus woes in Brazil: new test results reveal genetically modified mosquitoes developed by a British biotech firm can do the job.

Army soldiers apply insect repellent as they prepare for a clean up operation against the Aedes aegypti mosquito, which is a vector for transmitting the Zika virus in Sao Paulo, Brazil, Wednesday, Jan. 20, 2016. Tests to confirm Zika will require advanced laboratory capabilities beyond what is available in most local hospitals. State health departments are not required to notify the CDC about any cases of the Zika virus.

Despite the advice, experts admit there is still much about Zika infections that is unknown.

According to the Centers for Disease Control (CDC), Zika is a second category notifiable infectious disease, requiring for doctors to report cases within 24 hours.

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