National reactions have included containment measures such as quarantines (known as stay-at-home orders, shelter-in-place orders, or lockdown) and curfews.As of 2 April, nearly 300 million people, or about 90% of the population, are under some form of lockdown in the United States, more than 50 million people are in lockdown in the Philippines, about 59 million people are in lockdown in South Africa, and 1.3 billion people are in lockdown in India.