An increasing body of evidence shows that the innate immune system has adaptive
characteristics that involve a heterologous memory of past insults. Both experimental models …

Yellow fever (YF) outbreaks continue, have expanded into new areas and threaten large
populations in South America and Africa. Predicting where epidemics might occur must take …

Background Pneumococcal conjugate vaccines are an expensive component of the routine
immunization schedule. Fractional-dose regimens may be one option to increase the …

The increasing geographical spread and disease incidence of arboviral infections are
among the greatest public health concerns in the Americas. The region has observed an …

Most areas of the globe are endemic for at least one flavivirus, putting billions at risk for
infection. This diverse group of viral pathogens causes a range of manifestations in humans …

The duration of protection after a single dose of yellow fever vaccine is a matter of debate.
To summarize the current knowledge, we performed a systematic literature review and meta …

The disease yellow fever (YF) is prevented by a live-attenuated vaccine, termed 17D, which
has been in use since the 1930s. One dose of the vaccine is thought to give lifelong (35+ …

Background In 2016, the response to a yellow fever outbreak in Angola and the Democratic
Republic of Congo led to a global shortage of yellow fever vaccine. As a result, a fractional …

Abstract Purpose of Review Live attenuated 17D vaccine is considered one of the safest and
efficacious vaccines developed to date. This review highlights what is known and the gaps …

Yellow fever (YF) is regarded as the original hemorrhagic fever and has been a major public
health problem for at least 250 years. A very effective live attenuated vaccine, strain 17D …