Colombia has reported more than 3100 pregnant women are infected with Zika Virus, president said. As the virus is taking over the South American countries, nearly 25,600 cases have been reported so far in the country in total.

President Juan Manuel Santos has drawn concerns that the figure could reach 6,00,000 in 2016, according to Sky News reports . During his address, he said that US medical investigators would help analyse the nature of the virus and possible outcomes to curb the infliction.

The decision over probe came after health experts notified about the consequences of the microcephaly cases triggering vastly in Brazil last week, where President Dilma Rousseff officially declared war on the mosquitoes. Santos said authorities are working towards fumigation projects to reduce the number of mosquitoes.

When linking Zika to the paralyzing Guillain-Barre syndrome, the Colombian authorities said that it had claimed three lives in the country.

So far, Brazil has reported 4180 cases of microcephaly since October, which was 147 in 2014. On Friday, health experts noticed live samples of the Zika virus in saliva and urine samples. After this, experts have warned that kissing could increase the risk of infection. As the country kicked-off its Carnival last Friday, the chances of direct contact are very high, where people kiss strangers they meet during the celebration.

The virus has engulfed around 24 countries of South America and some Carribean Islands. Health experts have claimed that it could hit several states bordering the Gulf of Mexico, according to Voice of America reports.

After noticing the critical infliction of virus, which cause birth anomalies in newly borns, World Health Organisation(WHO) declared worldwide emergency. It has advised women to avoid sexual intercourse after traveling Zika-hit countries.

According to a report, 80 percent of the affected don’t show symptoms of the virus. Those with the 20 percent can suffer from mild fever, body ache, red eyes and runny nose.

It has been advised to keep the surroundings clean and to make sure to clean stagnant water. As of now, there is no vaccine for the virus.