TOPSHOT - Binax Covid-19 testing kits are handed out in the Bensonhurst section of the Brooklyn borough of New York City on December 23, 2021. - The resumption of holiday travel coupled with the rapidly spreading Omicron variant left Americans scrambling to find at-home Covid tests, leading multiple major distributors to limit the number of kits per customer. Amazon, as well as vendors on its platform, began limiting the number of tests per person on December 22. National pharmaceutical chains CVS and Walgreens announced a maximum limit of six and four kits, respectively, per customer. (Photo by Bryan R. Smith / AFP)