(HealthDay News) -- A pressure sore is an area of the body that breaks down because something keeps rubbing or pressing against the skin.
A pressure sore can develop if you use a wheelchair or stay in bed for long periods, have a disease that affects blood flow, have fragile skin or are malnourished.
The U.S. Library of Medicine suggests how to care for a pressure sore:
New Flu Strain Weakened This Year’s Vaccine Protection, CDC Says
Breakdown In Federal Health Tracking Leaves U.S. Vulnerable To Outbreaks, Pandemics, Experts Warn
Pentagon Drops Flu Vaccine Requirement For U.S. Military
New Flu Variant Could Bring Another Severe U.S. Season
Holiday Flu Surge Drives Record Illness Across the U.S. — Here's What You Can Do