Wulian,alsoknownasthepentavalentvaccine,isacombinationvaccinethatprotectsagainstfivedifferentdiseases:diphtheria,tetanus,pertussis(whoopingcough),hepatitisB,andHaemophilusinfluenzaetypeb(Hib).Itisadmi
Wulian, also known as the pentavalent vaccine, is a combination vaccine that protects against five different diseases: diphtheria, tetanus, pertussis (whooping cough), hepatitis B, and Haemophilus influenzae type b (Hib). It is administered through multiple doses, usually starting in infancy, to provide immunity against these illnesses. Wulian is considered an essential vaccine in many countries' immunization schedules and has been proven to be safe and effective in preventing these diseases.