Today, the threat of yellow fever looms larger than ever before, especially for thousands of children across Africa,” Stefan Peterson, chief of health at the United Nations children's agency(UNICEF), said in a statement.
Routine YF vaccination was introduced to Nigeria's Expanded Programme on Immunization(EPI) in 2004, but the overall population immunity in areas affected by the current outbreak remains below herd immunity thresholds.
As of 16 March 2017, confirmed cases of yellow fever virus infection in humans were reported in Rio de Janeiro State, and epizootics and human cases are under investigation for yellow fever virus infection in São Paulo State.
The International Coordination Group(ICG) on Vaccine Provision, funded by Gavi, the Vaccine Alliance approved release of 3.1 million doses of YF vaccines.
Yellow fever vaccination is recommended for all eligible persons aged≥9 months, traveling to several areas in Brazil, including the states of São Paulo and Rio de Janeiro(especially Ilha Grande).
Yellow fever vaccination is recommended for all eligible persons aged≥9 months, traveling to many areas in Brazil, including the states of São Paulo and Rio de Janeiro(especially Ilha Grande).
See the Yellow Fever& Malaria Information, by Country section at the end of this chapter for more detailed information on the requirements and recommendations for yellow fever vaccination for specific countries.
Nationals of Yellow Fever affected countries or travelers arriving from these countries are required to carry a Yellow Fever Vaccination Card at the time of arrival in India, otherwise they may be quarantined for 6 days upon their arrival.
Travelers who arrive in a country with a yellow fever vaccination entry requirement without proof of yellow fever vaccination may be quarantined for up to 6 days, refused entry, or vaccinated on site.
The list of countries at-risk, and revised recommendations for vaccination against yellow fever are available on the WHO website: International travel and health(ITH).
On 6 January 2017, the Brazil Ministry of Health(MoH) reported 12 suspected cases of yellow fever from six municipalities in the state of Minas Gerais.
The list of countries at risk and revised recommendations for vaccination against yellow fever are available on the WHO website International travel and health(ITH),<WEB.
The operation against Boca Chica cost the British army 120 killed and wounded, additionally 250 died from the diseases of yellow fever and malaria, and 600 sick were hospitalized.[77].
On 25 January 2019, PAHO/WHO alerted2 Member States about the beginning of the seasonal period for yellow fever and therefore, the highest risk of transmission to unvaccinated humans.
The yellow fever vaccine is safe and affordable, providing effective immunity against yellow fever within 10 days for 80- 100% of people and 99% immunity within 30 days.
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