Stringent nonpharmaceutical interventions (NPIs) such as lockdowns and border closures
are not currently recommended for pandemic influenza control. New Zealand used these …

Evidence suggests that innate and adaptive cellular responses mediate resistance to the
influenza virus and confer protection after vaccination. However, few studies have resolved …

Background Little is known about inactivated influenza vaccine effectiveness (IVE) in
preventing very severe disease, including influenza-associated intensive care unit (ICU) …

Background In contrast with respiratory disease caused by influenza, information on the risk
of respiratory syncytial virus (RSV) disease among adults with chronic medical conditions …

Community-acquired pneumonia (CAP) is the single largest infectious cause of
hospitalization and death in children worldwide. With improved immunizations, the …

The 2009 influenza A (H1N1) pdm09 pandemic highlighted the need for improved scientific
knowledge to support better pandemic preparedness and seasonal influenza control. The …

Background Severe influenza illness is presumed more common in adults with chronic
medical conditions (CMCs), but evidence is sparse and often combined into broad CMC …

Background The term severe acute respiratory infection (SARI) encompasses a
heterogeneous group of respiratory illnesses. Grading the severity of SARI is currently …

Pertussis has several notable consequences, causing economic burden, increased strain on
healthcare facilities, and reductions in quality of life. Recent years have seen a trend toward …

Background Understanding the attack rate of influenza infection and the proportion who
become ill by risk group is key to implementing prevention measures. While population …