All katherine-williamson-md:

60 Years of CHOC

COVID-19 Vaccine: Why It’s Needed, Why It’s Safe

Kids’ vaccination rates have plummeted — Here’s what that means for the fall

OC pediatric COVID-19 rate shows signs of slowing down despite increase in cases

SoCal school leaders encouraged by CDC guidelines for reopening schools during pandemic

Doctor gives advice ahead of flu season

Orange County residents react as Gov. Newsom targets youth vaping with executive order

From SiriusXM’s Doctor Radio – Dr. Katherine Williamson

7 common childhood respiratory diseases

Expert Advice: 5 Answers to Your Most Common Questions About Vaccines

Williamson, Katherine MD