BOSTON - Swollen lymph nodes can be a normal and expected side effect after receiving the COVID-19 vaccine, doctors say — and many are working to spread the word in an effort to ease patients’ fears of cancer and avoid unnecessary testing.As coronavirus vaccines roll out across the U.S., doctors are seeing more patients with enlarged lymph nodes under the armpit, along the collar bone and even up into the neck.
This natural response can occur on the side where an individual received their injection and was a recognized side effect in both the Moderna and Pfizer-BioNtech clinical trials.It can also happen in response to other vaccines beyond COVID-19."It’s actually sort of a good sign that your body is responding to this vaccine and creating.