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Health Highlights: Dec. 27, 2021

Could a high-fiber diet help boost cancer survival? People undergoing immune-boosting therapy for advanced melanoma may respond better to treatment if they eat a high-fiber diet, a new study hints.The research offers early evidence of the role of the gut microbiome in the effectiveness of cancer therapy.Read more

U.S. COVID-19 cases surge, but hospitalizations do not. As the Omicron coronavirus variant continues its march across the United States, the rate of daily COVID-19 cases detected has outpaced those fueled by the Delta variant over the summer. COVID-19 hospitalizations remain relatively lower than peaks seen earlier this year, although that could change.Read more

U.S. lifts ban on travel from southern Africa. The U.S. will lift the temporary COVID-19-related travel restrictions imposed on eight southern African countries on Dec. 31, the White House announced in a tweet.Read more