@BroomallSteve @KatyMcconkey @DrJohnHhess @farid__jalali The ONS survey in UK is a random sample so it isn't affected by people deciding to self test or not test. Nothing like that exists in the US.
@BroomallSteve@KatyMcconkey@Drjohnhess@farid__jalali英国国家统计局的调查是一个随机样本，因此不受决定是否进行自我测试的人的影响。美国不存在这样的情况。