Health officials aren't taking any chances with planned COVID-19 vaccination clinics and a potential for snow Thursday.

Some health departments are scrambling to reschedule appointments for people who need to get their COVID-19 vaccines, especially those who need their second shot.

Some health departments around the greater Baltimore area have plans in place, while others are taking a wait-and-see approach.

In Carroll County, health officials had a large second-dose clinic planned for Thursday, which has been moved to Saturday.

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"Folks will get an email to let them know about the move, the rescheduling, and will be able to reschedule for another date if you're not available," said Maggie Kunz, a health planner for the Carroll County Health Department. "We had another clinic on Friday, so that was not as easily available. Saturday was an easy time to find the space and be able to move the clinic exactly as it is. It's just an easier way to keep everything in the system, everybody at the same time, reduce confusion a little bit."

In Harford County, Thursday appointments planned to take place at Patterson Mill High School were moved to Wednesday.

"If you had an appointment on Thursday at 1:20 p.m., you would be able to show up on Wednesday at that same time as you were supposed to come on Thursday," said Ronya Nassir, a health policy analyst with the Harford County Health Department. Read more at WBALTV