The target in Wales is to see 95% of children receive a double dose of the vaccine.

BBC: Jab reminder after measles cases

The Dodgers' feel-good spring was stymied by a double dose of bad news.

WSJ: MLB 2013: Challengers gear up to take down Giants

So some women might have a single dose of these genes while others will have a double dose.

ECONOMIST: Genetics

Only once has a Division-I school ever pulled off this double dose of glory: Connecticut in 2004.

WSJ: University of Connecticut Huskies Back On Top With 93-60 Win Over University of Louisville Cardinals