Introduction There have been reports of potential negative cardiovascular effects from the
COVID-19 vaccine, such as myocarditis or pericarditis. This study sought to ascertain the risk …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) continued to mutate and
spread in 2022 despite the introduction of safe, effective vaccines and medications. Vaccine …

Introduction Influenza causes significant morbidity and mortality, but influenza vaccine
uptake remains below most countries' targets. Vaccine policy recommendations vary, as do …

Background COVID-19 in paediatric ages could result in hospitalizations and death. In
addition, excluding children from vaccination could turn them into reservoirs of the SARS …

Coronavirus disease 2019 (COVID-19), which was caused by the coronavirus-severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), was globally responsible for remarkable …

Background: Public Health Emergencies (PHE) demand expeditious research responses to
evaluate new or repurposed therapies and prevention strategies. Alternative Design Trials …

Adaptive Clinical Trials (ACT) differ from conventional clinical trials because they permit
continual modifications to key components of trial design during the trial. ACTs have grown …

Research represents an essential component of the response to infectious disease
outbreaks and to other public health emergencies, whether they are localised, of …

Background Since the global epidemic of the coronavirus disease 2019 (COVID-19), a large
number of immunological studies related to COVID-19 have been published in various …

Monitored Emergency Use of Unregistered and Experimental Interventions (MEURI) is an
ethical framework developed by the WHO for using unproven interventions in public health …