BACKGROUND First discovered in 1947, Zika virus (ZIKV) received little attention until a
surge in microcephaly cases was reported after a 2015 outbreak in Brazil. The size of the …

Objective To estimate the timing of key events in the natural history of Zika virus infection.
Methods In February 2016, we searched PubMed, Scopus and the Web of Science for …

… Two reviewers (CTO, LHC, JW, AC) independently performed full text reviews to identify
publications with sufficient data for analysis; we contacted authors via email to obtain additional …

With unprecedented speed, multiple vaccines against SARS-CoV-2 are available 1 year after
the COVID-19 pandemic was first identified. As we push to achieve global control through …

Advances in technology and health care delivery have resulted in an increased number of
preterm infants at lower gestational ages surviving, both with and without clinical …

Background Maternal immunization has the potential to reduce both maternal and infant
morbidity and mortality by protecting women from complications during pregnancy as well as …

Background: Measles–rubella supplementary immunization activities (MR-SIAs) are
conducted to address inequalities in coverage and fill population immunity gaps when routine …

High-quality, representative serological surveys allow direct estimates of immunity profiles
to inform vaccination strategies but can be costly and logistically challenging. Leveraging …

Measles elimination is theoretically uncomplicated because of safe and highly effective
measles-containing vaccines (MCVs) that provide lifelong protection. However, measles …

Zambia conducted a measles and rubella (MR) vaccination campaign targeting children 9
months to younger than 15 years of age in 2016. This campaign was the first introduction of a …