Serologic assessment of yellow fever immunity in the rural population of a yellow fever-endemic area in Central Brazil.

Yellow Fever Vaccination: An Issue for Non-endemic Tropical Countries

Yellow fever as an endemic/epidemic disease and priorities for vaccination.

Yellow fever is a potentially fatal viral hemorrhagic fever. Although an effective vaccine (yellow fever 17D) has been available since the late 1930s, utilization is incomplete in many areas, particularly in Africa, with the result that yellow fever epidemics still occur. Official reports of yellow fever between 1965 and 2004 in South America and Africa total over 33,000 cases. In West Africa, ...

Dynamic behavior of sylvatic yellow fever in Brazil (1954-2008).

INTRODUCTION Sylvatic yellow fever (SYF) is enzootic in Brazil, causing periodic outbreaks in humans living near forest borders or in rural areas. In this study, the cycling patterns of this arbovirosis were analyzed. METHODS Spectral Fourier analysis was used to capture the periodicity patterns of SYF in time series. RESULTS SYF outbreaks have not increased in frequency, only in the number...

A continuing focus of yellow fever in the Apurimac River Valley, Ayacucho, Peru, and the first isolation of yellow fever virus in that country.

Clinical sylvatic yellow fever (YF) in Peru may have been reported as early as 1913 by Rojas (I); however, the earliest known outbreak that has been reported was that cited by Giles and Pinto (2) as occurring in Chanchamayo (Junin Department) in 1925. It has also been shown that children living along the upper Amazon River in Brazil and Peru during 1931 had antibody to YF virus (3); and serolog...

What a rheumatologist needs to know about yellow fever vaccine.

Patients with rheumatic diseases are more susceptible to infection, due to the underlying disease itself or to its treatment. The rheumatologist should prevent infections in those patients, vaccination being one preventive measure to be adopted. Yellow fever is one of such infectious diseases that can be avoided.The yellow fever vaccine is safe and effective for the general population, but, bei...