Fake World Health Organization (WHO) yellow fever certificates of vaccination are being openly sold at Inter-City Bus Terminus in Lusaka, Zambia.
According to a new study, fractional dosing of the yellow fever vaccine offers recipients protective antibodies for up to 10 years without a booster dose.
This reference sheet discusses yellow fever infection, vaccination recommendations, and reactions and risks.
Researhers found that a fractional dose of the 17DD yellow fever vaccine was effective at inducing seroconversion in most of the participants who were seronegative at baseline, supporting the use of fractional-dose vaccination for outbreak control.
Epidemiologists face serious challenges trying to contain a disease with limited vaccine supplies.
Sanofi Pasteur has confirmed that YF-VAX® (Yellow Fever Vaccine) is unavailable for order in the United States until 2018.
A shortage of the only US-licensed yellow fever vaccine is expected to cause a complete depletion of yellow fever vaccine available for US travelers.
The typical monthly production of the yellow fever vaccine, in Brazil, is four million doses, but due to demand production is currently six million doses monthly.
The spread of yellow fever towards major population centers has raised alarm.
Brazil, home to one of only four yellow fever vaccine manufacturers in the world, normally produces enough vaccine to meet its needs.