Economist
http://www.economist.com/
Accessed 20 April 2013

Measles
Pox Britannica
The long shadow of a health scare
Apr 20th 2013 | http://www.economist.com/news/britain/21576449-long-shadow-health-scare-pox-britannica

UNTIL recently most British doctors had never seen a case of measles. Along with old childhood illnesses such as tetanus and polio, it had almost vanished. Yet in the past few years a series of outbreaks has caused them to dust off their diagnostic manuals (see chart below). The latest is centred on Swansea, in south Wales. As The Economist went to press, at least 765 people there had caught measles since the outbreak began in November. That number seems certain to rise…