Researchers have found that under certain conditions the Zika virus can live for several hours on hard non-porous surfaces.
Experts say that it's likely there will be at least two vaccines used to beat back Zika.
As officials increase screening, Thai health authorities reported 33 new Zika cases have been detected in the country.
Zika has been confirmed.
Mosquitoes can carry Zika and chikungunya viruses at the same time, and may potentially be able to infect humans with both viruses in a single bite.
Two cities are spraying pesticides after one case of Zika virus infection was diagnosed in each city.
Among the approximately 800,000 blood donations tested in 12 US states over six months, about 40 were positive for the virus.
Researchers examined the potential routes of Zika transmission through three factors: air transportation, mosquito occurrences, and the vector competence.
The findings could aid efforts to develop a Zika vaccine or therapeutics.
An outline of current information and news about the Zika virus.