Incidence rates are counts divided by person-time; mortality rates are a well-known
example. Analysis of Incidence Rates offers a detailed discussion of the practical aspects of …

Objective Multiple studies have confirmed associations between acid suppression
medication and Clostridium difficile infections (CDIs) in adults. Therefore, we sought to …

Background—We recently observed that cardiovascular causes of death are common in
patients with hemorrhagic fever with renal syndrome (HFRS), which is caused by …

Introduction An often key component to coordinating surveillance activities across distributed
networks is the design and implementation of a common data model (CDM). The purpose of …

Objectives To investigate the association between vaccination against coronavirus disease
2019 (COVID-19) and autoimmune rheumatic disease (AIRD) flare. Material and methods …

Vaccines have had a tremendous impact on reducing the burden of infectious diseases;
however, they have the potential to cause adverse events following immunization (AEFIs) …

Background A three-dose, oral rotavirus vaccine (Rotavac) was introduced in the universal
immunization program in India in 2016. A prelicensure trial involving 6799 infants was not …

Background Efforts to minimize harms from opioid drug interactions may be hampered by
limited evidence on which drugs, when taken concomitantly with opioids, result in adverse …

Background Inflammatory bowel disease (IBD) increases the risk of venous
thromboembolism. Aims To determine when patients are at high risk of thromboembolic …

Background Care pathways are increasingly being used to enhance the quality of care and
optimize the use of resources for health care. Nevertheless, recommendations regarding the …