Weekly Roundup: COVID Tests for Kids, Tracking Mutations, Who's Been Vaccinated?

1. The New York Times, So You Think Your Kid Needs a Covid Test, by Christina Caron
    
2. CNN, COVID Cases Remain Lowest Among Younger Children, Even After Schools Reopened, Study Says, by Jamie Gumbrecht
     
3. Vox, “It’s Embarrassing”: The Spotty US Tracking of Coronavirus Mutations, by Brian Resnick
     
4. Science Magazine, Immunological Characteristics Govern the Transition of COVID-19 to Endemicity, by Jennie S. Lavine, Ottar N. Bjornstad, Rustom Antia
    
5. Education Week, Will New COVID-19 Strains Mean More Cases in Schools? An Explainer, by Sarah D. Sparks
    
6. CNBC, What We Know About the Spread of COVID Among Children — and Whether Shutting Schools Reduces the Risk, by Sam Meredith
    
7. USA Today, Tracking COVID-19 Vaccine Distribution by State: How Many People in the US Have Received a Shot? by Janie Haseman
    

What else have you read this week? Feel free to share any links in the comments.