Zika infection is caused by one virus serotype, NIH study finds

(NIH/National Institute of Allergy and Infectious Diseases) Vaccination against a single strain of Zika virus should be sufficient to protect against genetically diverse strains of the virus, according to a study conducted by investigators from the National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health; Washington University in St. Louis; and Emory University in Atlanta.