Watch – Level 1, Practice Usual Precautions An outbreak of norovirus was reported among security staff at the Winter Olympics in PyeongChang. Norovirus is a very contagious virus that causes stomach pain, nausea, vomiting, and diarrhea. You can get it from an infected person, contaminated food or water, or by touching contaminated surfaces. You can help to […]

A health agent vaccinates a person for yellow fever in the rural town of Casimiro de Abreu, Rio de Janeiro state. Photographer: Dado Galdieri/Bloomberg Yellow fever, the scourge that killed hundreds of thousands of people in past centuries, is threatening to make a comeback. The sometimes-lethal disease has been contained to the tropical areas of Africa and, to […]

FILE – In this Jan. 16, 2018, file photo, a banner explaining how the yellow fever is transmitted hangs at the entrance of a park in Sao Paulo, Brazil. The World Health Organization says 11 human cases have been confirmed through last week and hundreds more found in monkeys. Sao Paulo closed its zoo and […]

(CNN)Health officials are urging travelers headed to Brazil to get yellow fever vaccinations due to a recent deadly outbreak of the virus. The US Embassy and the Centers for Disease Control and Prevention issued a health alert on Wednesday for travelers visiting the cities of Rio de Janeiro, São Paulo and the Brazilian states of Espírito Santo […]

World Health Organization: January 22, 2018 Information for international travellers Considering the increased level of yellow fever virus activity observed across the state of São Paulo, the WHO Secretariat has determined that, in addition to the areas listed in previous updates, the entire state of São Paulo should also be considered at risk for yellow […]