Abstract Taiwan's National Health Insurance Research Database (NHIRD) exemplifies a
population-level data source for generating real-world evidence to support clinical decisions …

Background To our knowledge, no publication providing overarching guidance on the
conduct of systematic reviews of observational studies of etiology exists. Methods and …

Although myocarditis and pericarditis were not observed as adverse events in coronavirus
disease 2019 (COVID-19) vaccine trials, there have been numerous reports of suspected …

Emerging reports of rare neurological complications associated with COVID-19 infection and
vaccinations are leading to regulatory, clinical and public health concerns. We undertook a …

Importance Gout is associated with cardiovascular diseases. The temporal association
between gout flares and cardiovascular events has not been investigated. Objective To …

Several studies have reported associations between COVID-19 vaccination and risk of
cardiac diseases, especially in young people; the impact on mortality, however, remains …

In pharmacoepidemiology, routinely collected data from electronic health records (including
primary care databases, registries, and administrative healthcare claims) are a resource for …

Objective To study the association between covid-19 vaccines, SARS-CoV-2 infection, and
risk of immune mediated neurological events. Design Population based historical rate …

While acute respiratory tract infections can trigger cardiovascular events, the differential
effect of specific organisms is unknown. This is important to guide vaccine policy. Using …

Importance A diagnosis of cancer carries a substantial risk of psychological distress. There
has not yet been a national population-based study in England of the risk of suicide after …