A junior doctor carries a placard as she walks to join a picket outside Kings College Hospital in London. Junior doctors in England have gone on strike in a dispute with the government over a new contract
A health worker administers a polio vaccine to a child, in Enjil district of Herat, Afghanistan on Monday. Pakistan, Nigeria and Afghanistan are considered to be the only countries where the poliovirus is still endemic
A health worker gives polio vaccine drops to a child on the second day of a national campaign in Afghanistan on Monday. Nearly nine million children in the country are being immunised during the three-day programme.
A health worker administers a polio vaccination to a child in Herat, Afghanistan, at the start of a three-day nationwide immunisation campaign against polio, supported by the country’s Ministry of Public Health