<p>In "A Tough Two Weeks," Dr. Osterholm shares why the past two weeks have been among the most challenging of the pandemic for him. He also provides an update on global and national COVID trends, examines the latest data on the possible source of the pandemic, and answers a COVID query on booster shots following COVID infection.</p><ul><a href="https://www.nytimes.com/2023/03/10/opinion/masks-work-cochrane-study.html">Here’s why the science Is clear that masks work</a> (Zeynep Tufekci,&nbsp;<em>New York Times</em>)</ul>