Hola guyz!!♡
•Name any 2 diseases transmitted through vectors..?
•Why is it difficult to develop vaccines for some diseases?
Btw have a Happiee nd Safe Diwali♥
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(1)Two diseases spread by vectors:
1)Malaria
2)Dengue Fever
(2).It is difficult to develop diseases for viral diseases due to their characteristics.
Individuals fail to respond to the vaccines
Immunity of vaccines decreases
1)Malaria
2)Dengue Fever
(2).It is difficult to develop diseases for viral diseases due to their characteristics.
Individuals fail to respond to the vaccines
Immunity of vaccines decreases
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