MSF staff work on the cold chain the night before the Measles vaccination campaign starts in Conakry, Guinea. The night before the launch of measles vaccination starts. Vaccines are stored in cool boxes and delivered to vaccination sites across the city of Conakry during the night. Médecins Sans Frontières/Doctors without borders (MSF) is launching the 7th of April 2017 a large scale measles vaccination campaign in Conakry, the capital of Guinea. Since the beginning of the year there have been 3468 confirmed cases and 14 deaths dues to measles in Guinea.