COVID In Colorado: Vaccines Can Cause Worrisome Side Effect For Women - CBS Denver

The vaccine can cause lymph nodes to swell and that can mirror the signs of breast cancer.

She knew swollen lymph nodes could be a sign of breast cancer.

“I tried to reassure myself by remembering that this is actually a sign that the vaccine was doing what it’s supposed to do, activating your immune system,” she said.

“We do not want to keep anyone from being part of the vaccine process,” said Miller.

She tells women to get their mammograms, and let the mammography center know if you’ve recently had a vaccine.

“Women are developing and presenting with breast cancer a little bit more later stage in the game, and we want to minimize that as much as possible,” Miller said