FLICKR, ANJANETTEW
Last month, children’s hospitals in Chicago and Kansas City, Missouri, noted unusual numbers of patients with severe respiratory symptoms. On Monday, the US Centers for Disease Control and Prevention (CDC) confirmed the presence of enterovirus D68 (EV-D68) in samples from 30 patients, about two-thirds of whom suffer from asthma.
Suspected cases of EV-D68 have also been reported by 10 other states in the Midwest and Southeast. The virus is rarely fatal, but patients may have extreme difficulty breathing, causing their blood oxygen levels to drop. Many have been admitted to intensive care units and treated with oxygen therapy.
Most enterovirus infections are relatively harmless; enteroviruses and rhinoviruses typically cause symptoms of the common cold. It’s unclear why this strain, which has been reported only a ...