Healthcare facilities in Washington, D.C., Maryland and Northern Virginia are seeing a dramatic spike in cases of "walking pneumonia," an illness known for being less severe than regular pneumonia, according to multiple reports.

In October, MedStar Health — a healthcare organization that operates 10 hospitals and 33 urgent care centers across the Washington-Baltimore metropolitan area — diagnosed 1,789 cases of walking pneumonia across the region, WUSA9 reported.

The number of cases marks a 358 percent increase, up from just 391 cases reported in October 2023.

“The biggest age group that we’re seeing that increase in is actually in the kiddos. From 10 to 17 is the highest increase, and we’re seeing a pretty significant jump in those aged 0 to 9 as well,” Amanda Joy, associate medical director for MedStar Health Urgent Care, told WTOP.... Read More: Pikesville Patch