Systemic and mucosal humoral immune responses are crucial to fight respiratory viral
infections in the current pandemic of COVID-19 caused by the SARS-CoV-2 virus. During …

During the pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2), mitigation policies for children have been a topic of considerable uncertainty and …

Importance Understanding the long-term immune response against SARS-CoV-2 infection
in children is crucial to optimize vaccination strategies. Although it is known that SARS-CoV …

Background Long COVID in children and adolescents remains poorly understood due to a
lack of well-controlled studies with long-term follow-up. In particular, the impact of the family …

Understanding the development of humoral immune responses of children and adolescents
to SARS-CoV-2 is essential for designing effective public health measures. Here we …

Background Despite that pediatric COVID-19 is usually asymptomatic or mild, SARS-CoV-2
infection typically results in the development of an antibody response. Contradictory …

The risk of developing severe COVID‐19 rises dramatically with age. Schoolchildren are
significantly less likely than older people to die from SARS‐CoV‐2 infection, but the …

Serological assays measuring antibodies against SARS-CoV-2 are key to describe the
epidemiology, pathobiology or induction of immunity after infection or vaccination. Of those …

During the three years since SARS-CoV-2 infections were first described a wealth of
information has been gathered about viral variants and their changing properties, the …

Post-COVID syndrome remains poorly studied in children and adolescents. Here, we aimed
to investigate the prevalence and risk factors of pediatric post-COVID in a population-based …