Today on Post Reports, the government’s rollout of free rapid coronavirus tests in the United States. And later in the show, how China’s “zero covid” policy could affect the Winter Olympics.  Read more:This week, the Biden administration launched a website where Americans can order free rapid coronavirus tests. Each household is eligible for four tests, which are sent via mail to your residence. Reporter Yasmeen Abutaleb explains the importance — and limitations of rapid tests. You can order your four free tests here.As some countries become more lenient in their pandemic restrictions, others are doubling down. China’s zero-tolerance policy means some cities are still going through lockdowns in hopes of quashing any possible spread of the virus. Eva Dou reports on what this means for the upcoming Winter Olympics in Beijing.