Influenza infection is an important cause of global mortality and morbidity with the greatest impact on older people and those with chronic disease. Patients with chronic obstructive pulmonary disease (COPD) are particularly vulnerable to influenza. with evidence for increased incidence and severity of infection. In this patient group influenza is associated with exacerbations and pne... https://www.petsafewirelessfence.com/product-category/frio-wallet/