A previous study demonstrates that most of severe acute respiratory syndrome coronavirus-2
(SARS-CoV-2) Brazilian strains fell in three local clades that were introduced from Europe …

Os coronavírus humanos (CoVh) são responsáveis por ocasionar doenças respiratórias e
entéricas, sendo associados às infecções agudas e graves do trato respiratório. O objetivo …

Since 1999 the World Health Organization issues annually an additional influenza vaccine
composition recommendation. This initiative aimed to extend to the Southern Hemisphere (SH…

Background Childhood pneumonia and bronchiolitis is a leading cause of illness and death
in young children worldwide with Respiratory Syncytial Virus (RSV) as the main viral cause. …

Despite all efforts to control the COVID-19 spread, the SARS-CoV-2 reached South America
within three months after its first detection in China, and Brazil became one of the hotspots …

The COVID-19 epidemic in Brazil experienced two major lineage replacements until mid-2021.
The first was driven by lineage P.2, in late 2020, and the second by lineage Gamma, in …

Noroviruses are the leading cause of epidemic, non‐bacterial outbreaks of acute gastroenteritis,
and are also a major cause of sporadic acute gastroenteritis in infants. The aim of the …

INTRODUÇÃO: As Infecções Respiratórias Agudas (IRA) permanecem como um dos
principais problemas de saúde pública em todo o mundo. Essas infecções são associadas a …

A importância dos norovírus (NoVs), sapovírus (SaVs) e astrovírus humanos (HAstVs) como
causa de surtos de gastroenteritis já está bem definida. Entretanto, poucos estudos têm …

Background Recent studies have tried to identify host genetic variants that could explain
severe cases and deaths in infection with Influenza A(H1N1)pdm09, especially among children …