Why is it difficult to prepare vaccines for some diseases?
Answers
Answered by
5
- At a time when many infectious diseases were being brought or kept ... optimistic, given that most vaccines take 10-20 years to develop. ... All of these factors make it difficult to select and prioritize vaccine candidates for further development. ... (Some individuals are naturally able to control the infection and ...
vasanthij97:
tq!
Answered by
4
it is difficult to produce vaccines mainly for viral diseases because viruses have rna genome which can mutate faster .so by the time the vaccine is prepared the viruses changed,....
each epidemic is different from the last
Similar questions