South Korean health authorities say a man who recently returned home from Brazil has been confirmed to be infected with the Zika virus.

Panama registers a baby born with a brain disorder believed linked to the Zika virus, in what is thought to be the first such case outside Brazil in the current outbreak.

Evidence mounted linking Zika to the birth defect microcephaly, and the United Nations health agency set a review of travel advice related to the outbreak of the virus while US officials planned strategy to control mosquitoes that spread it.

New research gives the first evidence that Zika virus might cause a severe neurological disorder called Guillain-Barré syndrome.

France has detected its first sexually transmitted case of Zika in a woman whose partner had traveled to Brazil, the epicentre of an outbreak of the virus, a senior health official says.

The organising committee for the August Olympics in Rio de Janeiro said it will charge national delegations to have mosquito screens on athletes' rooms.

Brazil is planning to fight the Zika virus by zapping millions of male mosquitoes with gamma rays to sterilize them and stop the spread of the virus linked to thousands of birth defects.

US and Brazilian researchers are heading to João Pessoa in the state of Paraíba on Monday to recruit mothers and babies in one of the biggest government-led studies to understand whether the Zika virus is linked to microcephaly, a rare birth defect.

The Zika virus may be particularly adept at entrenching itself in parts of the body that are shielded from the immune system, making it harder to fight off and possibly lengthening the timeframe in which it can be transmitted, top US experts say.

Three people dies in Venezuela from complications linked to Zika, says President Nicolas Maduro.

One of the US's most senior public health officials has revealed the "strongest evidence to date" of the effect on babies of the Zika virus.

China has confirmed its first case of the Zika virus in a man who had recently travelled to South America, the official Xinhua news agency has reported.

Health Minister Mohammad Nasim has urged people not to be panicked regarding the risk of Zika virus infection.

Over 3,100 pregnant Colombian women are infected with the mosquito-borne Zika virus, President Juan Manuel Santos says.

Colombia says three people have died after contracting the Zika virus and developing a rare nerve disorder. Health Minister Alejandro Gaviria said there was a "causal connection" between Zika, the Guillain-Barre disorder and the three deaths.

Densely packed slums, rampant mosquitoes and a history of rapidly spreading infections make Asia particularly vulnerable to the devastating Zika virus, posing a massive challenge for the region, health experts warn.

A rare case of the Zika virus being transmitted through sex, not a mosquito bite, has been reported in the US.

The World Health Organisation today has urged the regional countries, including Bangladesh, to strengthen surveillance and take preventive measures against the Zika virus disease.

Risk of Zika virus infection in Bangladesh is low as the countries affected by the mosquito-borne disease are far away, an expert said here yesterday.

Risk for Zika virus infection in Bangladesh is low as the countries affected by the mosquito-borne disease are far away, experts says.