A small amount of an individual virus itself is always necessary to develop a vaccine.
Edward Jenner - smallpox vaccine.
the h1n1 vaccine does not work all the time
He didnt
because there are different number of species with different effects that they can cause, therefore it is harder to develop a vaccine for it
The infant will develop artificially acquired active immunity
no
yes.
No, he developed a vaccine for smallpox, back in 1796. But his successful experiments led to other vaccines long after he died, including the polio vaccine, which is usually credited to Jonas Salk-- he announced it in 1953.
no
By the march of Dimes oragnsation they funded him to develop a vaccine
It is a vaccine which protects against the pathogenic bacteria called Corynebacterium diphtheriae. This bacteria causes an upper respiratory tract illness called Diphtheria.
Live bacteria