However, in 2015, a new class of highly potent, neutralizing antibodies that is effective against all four virus serotypes has been isolated, bringing hope for the development of a universal dengue vaccine.
然而，在2015年時，一種新型且能有效對付所有四種病毒血清型的高效中和抗體被分離出來，為全球的登革疫苗發展帶來一線曙光。