Posts in social media claim that women who received a COVID-19 vaccine are now showing swollen lymph nodes indicative of breast cancer. Swollen lymph nodes under the arms are a normal, possible side effect of vaccination. The Society of Breast Imaging now recommends scheduling mammograms four to six weeks following COVID-19 vaccination to avoid an unnecessary biopsy. Medical staff are now also being advised to ask women scheduled for mammography whether or not they have received a COVID-19 vaccine, in order to pre-empt any concern.
Recommendation: 
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The Public Health Communications Collaborative (PHCC) was formed in 2020 to coordinate and amplify public health messaging on COVID-19 and increase Americans’ confidence in guidance from the Centers for Disease Control and Prevention (CDC) and state and local public health officials.
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