Mar 19: California first state to issue stay-at-home order
Puerto Rico was the first U.S. territory to issue a mandatory stay-at-home order on March 15. California followed suit four days later, becoming the first state to issue such an order, according to the CDC.
Mar 19: State Department issues a blanket Level 4 ‘Do Not Travel’ advisory
The U.S. Department of State issues the highest level advisory against all international travel. Americans are warned against traveling anywhere abroad due to the fast spread of the novel coronavirus.
Mar 20: New York City becomes US outbreak hotspot
With cases of confirmed coronavirus cases Increasing from 183 to 5,151 in six days, New York City becomes the hardest hit by the pandemic in the U.S. There are a total of 8,377 reported cases in the entire state.
Mar 22: Global cases double in a week, reaching almost 330,000
The number of confirmed coronavirus cases worldwide more than double in a week to nearly 330,000.
The U.S. surpassed 32,000 confirmed cases, 10 times as many as the week before.
Mar 24: US National Guard activated in all 50 states
The U.S. military expands its coronavirus response effort. The National Guard is now active across the country. They are to assist state response efforts to mitigate and control the coronavirus pandemic.