The mosquito-borne Zika virus has significantly evolved since it was first discovered in 1947, and researchers said Friday these genetic changes could shed light on why it has the power to cause birth defects.
At least 300 patients have been sickened by life-threatening infections linked to contaminated medical scopes -- more than previously estimated by U.S. federal regulators, according to figures released Friday.
Confirming the worst fears of many pregnant women in the United States and Latin America, U.S. health officials said Wednesday there is no longer any doubt the Zika virus causes babies to be born with abnormally small heads and other severe brain defects.
Liberian authorities on Saturday called for calm following the discovery of a fresh case of the deadly Ebola virus, more than two months after the epidemic had been declared over in the country.
U.S. federal health officials on Friday issued first-time guidance for couples planning a pregnancy if either partner may have been exposed to Zika, the tropical disease linked to birth defects.
Taiwan recorded 115 new cases of severe flu with complications last week, 38 of which resulted in deaths, the Centers for Disease Control (CDC) said Tuesday.
The Zika virus, already linked to brain damage in babies, can also cause a serious brain infection in adult victims, French researchers warned Thursday.
Laos is the latest country to report a local transmission of Zika virus, according to the World Health Organization, as fears mount over the mosquito-borne illness that has been linked to birth defects.
Scientists on Friday said they had found the first evidence of a biological link between the Zika virus sweeping Latin America and microcephaly, a severe deformation of the brain among newborns.
Scientists may have the first evidence that Zika can cause temporary paralysis, according to a new study of patients who developed the rare condition during an outbreak of the virus in Tahiti two years ago.