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
As of now, there is no widely available vaccine for AIDS. However, ongoing research is being conducted to develop an effective vaccine to prevent HIV infection.
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
yes.
There is no specific vaccine for viral pneumonia, but vaccines such as the influenza (flu) vaccine and the measles vaccine can help prevent some of the viral infections that can lead to pneumonia. It is important to practice good hygiene, get vaccinated, and seek medical attention if you develop symptoms of pneumonia.
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.
By the march of Dimes oragnsation they funded him to develop a vaccine
no
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