For example, research using the virus might yield drugs against the disease, or improved vaccines to prevent it.

A new adult vaccine can prevent shingles in most people.

Other vaccines can prevent common diseases in which pneumonia may be a complication.

A successful vaccine against noroviruses could prevent a lot of suffering.

Influenza: This vaccine can prevent serious illness in the mother during pregnancy.

Licensed vaccines to prevent the disease became available in 1963.

So far, studies show the vaccine prevents 99% of the changes in cervical cells that are classified as early cancer.

The vaccine can prevent smallpox up to four days after exposure to the virus.

And while there are no drugs to cure the cold nor vaccines to prevent it, the illness is not serious.

The vaccine usually prevents most cases of the flu.