 Gusa abahanga 239 bo mu bihugu 32 ntibabyemera gutyo: bavuga ko hari ibihamya bikomeye byerekana ko iyi virus ishobora kugenda mu mwuka mu duce duto cyane kurushaho, dushobora kumara amasaha tuzenguruka mu mwuka nyuma yuko abantu bavuze cyangwa bahumetse. 