All around the world, drug-resistant infections are on the rise. They now kill more than 700,000 people a year. In 2014 nearly 60% of samples of Escherichia coli, a common gut bacterium, collected from patients in hospital were strains that could not be treated with penicillins. About 25% were resistant to one or both of two other commonly used sorts of antibiotics.

Read more at The other global drugs problem | The Economist