However, the in vivo efficacy of these potential vaccines in the elderly and in models subjected to lethal challenge as well as their protection against infection by a zoonotic virus have yet to be determined, since no clinical studies have been carried out. yet been initiated.
Hata hivyo, ufanisi wa chanjo hizi kwa watu wazee na miundo ya viwango vyao kuuwa virusi na ulinzi wa dhidi ya virusi vinavyotokana na wanyama bado haujabainishwa kabla utafiti wa kimatibabu uanzishwe.