Experts predict U.S. COVID-19 cases will dip in summer but surge in winter
Masks and vaccines could make a big difference in stopping a winter surge
![woman wearing a face mask places her groceries on a checkout counter while an employee in a face mask scans them](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/04/042221_ts_covid-prediction_feat_REV.jpg?fit=1030%2C580&ssl=1)
Wearing masks, especially indoors, could be important for stemming an expected surge in COVID-19 cases in the United States this coming winter.
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