translation.en: Fortunately most of these viruses do not transmit easily (with the exception of yellow fever virus and Dengue virus which are spread through infected mosquitoes).
translation.ro: Din fericire, majoritatea acestor virusuri nu se transmit uşor (cu excepţia virusului febrei galbene şi a virusului Dengue care se răspândesc prin intermediul ţânţarilor infectaţi).