Background Coronavirus disease 2019 (COVID-19) is a disease caused by severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), first detected in China in December, 2019. …

In December 2019, an outbreak of coronavirus disease 2019 (COVID-19), caused by the virus
SARS-CoV-2, began in Wuhan, China (1). The disease spread widely in China, and, as of …

Fever, cough, or shortness of breath were commonly reported among a convenience sample
of US COVID-19 patients with symptom onset during January–April and a range of illness …

Iron deficiency is a global problem across the life course, but infants and their mothers are
especially vulnerable to both the development and the consequences of iron deficiency. …

Background In the USA, COVID-19 vaccines became available in mid-December, 2020,
with adults aged 65 years and older among the first groups prioritised for vaccination. We …

Rotavirus vaccines have demonstrated impact in reducing diarrheal morbidity and mortality
worldwide. As countries begin to introduce the newly prequalified vaccines, additional data …

Background Noroviruses are the leading cause of acute gastroenteritis outbreaks worldwide.
Clarifying the viral, host, and environmental factors (epidemiologic triad) associated with …

Noroviruses evolve by antigenic drift and recombination, which occurs most frequently at the
junction between the non-structural and structural protein coding genomic regions. In 2015, …

Coronavirus disease 2019 (COVID-19), the respiratory disease caused by severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), was first identified in Wuhan, China and has …

Background Over the past 30 years, obesity in the United States has increased twofold in
children and threefold in adolescents. In Georgia, nearly 17% of children aged 10 – 17 are …