This has led to greater use of monovalent vaccines to protect against either type one or type three polio.

VOA: special.2010.01.18

He also said that we need to protect the type of entrepreneurship that is built into the very fiber of the United States.

FORBES: In the Midwest, Reddit finds a thriving startup culture

So Internet service providers "have no answer today" to protect against this type of attack.

FORBES: Magazine Article

There are only approximately 30 to 50 cases of W135 each year in the UK, and while immunisation for the A and C strains of meningitis is an entry requirement for Saudi Arabia, the vaccine does not protect against this type.

BBC: Returning pilgrims fight meningitis