Nature and EnvironmentBrazilCan a yellow fever vaccine save Brazil's rare monkeys?01:41This browser does not support the video element.Nature and EnvironmentBrazil02/01/2023February 1, 2023Scientists in Brazil are hopeful that a campaign to vaccinate endangered monkeys against yellow fever could save them from extinction. The last outbreak of the disease decimated the population of highly vulnerable golden lion tamarin monkeys.Copy linkAdvertisement