The dengue viruses primarily circulate in the tropics and subtropics and are transmitted to people by infected mosquitoes. There are an estimated 400 million infections every year making about 100 ...
VIENTIANE, Dec. 27 (Xinhua) -- The number of dengue cases in Laos has surpassed 20,000, with 11 deaths reported so far this year, according to the Lao Ministry of Health on Friday. According to a ...