Adams, appearing on Fox News Sunday, noted that the death toll from the coronavirus has not yet reached its peak, which members of the White House Coronavirus Task Force have said could be approaching within the next week.
In Europe, the picture was mixed.
IL now has 10,000 cases of COVID-19 and recorded 250 deaths to date. Trump expressed hopes for his recovery, saying Johnson was "strong". France on Sunday reported 357 deaths in hospitals in 24 hours, lower than the previous two days, bringing the country's total death toll to 8,078.
USA officials pleaded for public cooperation in hopes of replicating that pattern.
U.S. Surgeon General Jerome Adams offered a stark warning about the expected wave of virus deaths.
Mr Speranza said social distancing would have to remain, with wider use of individual protection items such as face masks, while local health systems would be strengthened to allow a faster and more efficient treatment of suspected cases.
Reiterating his push for using Hydroxychloroquine, a malaria drug in the fight against coronavirus, Trump said the USA has procured some 29 million doses of Hydroxychloroquine tablets to be distributed across the country.
Adams says the face coverings should be worn in public places like supermarkets where social distancing can be hard to follow and not as a substitute for social distancing.
The death toll for Saturday is 809, down from Friday's toll of 932 whilst the total death toll across Spain stands at 11,744, and 124,736 people are known to be infected.
Like the surgeon general, Dr. But the White House has put ahead stringent social distancing pointers, which recently will stay in impact till April 30.
The governor of Louisiana, John Bel Edwards, also warned that his state would runout of ventilators by Thursday, as it prepared to open a field hospital with 1,000 beds on Monday.
Mr Adams was asked on NBC's Meet The Press if they should join the rest of the country. I tell people we aren't going to treat or supply our way out of this problem, there is no magic bullet or magic cure. "That's what I tell people, that's what I hear the president tell people". "And we're working with governors to figure out their needs, their desires".
"Our whole country is at war with this virus", said Gee, who once ran the state's Department of Health. They should follow the guidelines set forth by the federal government, Adams said. "Michigan is a hot spot; we need assistance, and I'm grateful for any partnership at the federal level".
The number of people infected in the USA has exceeded 300,000, with the death toll climbing past 9,000. Edwards also said the state was "a couple days behind that on [intensive care unit] bed capacity being exceeded".
"And yet the federal government is responsible for doing precisely that". Arkansas Gov. Asa Hutchinson pointed to the challenges of procuring personal protective equipment for medical personnel.
South Dakota's Kristi Noem said the USA and her state's constitution outlawed draconian measures.
Americans are prepare themselves for the pandemic - which has already cost 9,171 lives in the United States - to peak over the next fortnight.