Prior exposure to dengue or West Nile could make Zika worse: Report
By Julie Steenhuysen View original source ⮕ CHICAGO (Reuters) – Prior infection with West Nile or dengue – two viruses closely related to Zika – can make Zika symptoms worse, U.S. researchers said on Thursday. The findings in mice, published in the journal Science, confirm studies in cells suggesting that prior infection […]