Some counties in the state must close gyms, hair salons, worship services and malls again.
Newsom said he and state health officials are concerned with the current trends of increasing cases and hospitalizations on the rise in rural counties.
Meanwhile, the Los Angeles and San Diego school districts, the two largest in California with a combined K-12 student population of about 720,000, announced Monday they won't bring students back to classrooms next month because of rising coronavirus hospitalizations and infection rates. There have been almost 321,000 infections, as of Sunday, with more than 7,000 dead. On Friday, the seven-day positivity rate was 10% in L.A. County; in late May, that rate fell to a low of 4.6%.
As of midnight July 6, restaurants and bars, breweries and pubs that serve food were limited to outdoor dining only and bars and pubs that do not serve food were ordered to close.
"We're moving back into a modification mode of our original "stay-at-home" order", Newsom said.
"If they don't follow the rules, things are going to continue the way they are going", he said.
Armenia deeply concerned about Turkey's decision on Hagia Sophia status
The head of the Eastern Orthodox Church has condemned the move, as has Greece - home to many millions of Orthodox followers. The building was finally transformed into a museum in 1935 by Kemal Ataturk, founder of the modern Turkish republic.
What Michigan stands to gain and lose from a conference-only schedule
The Pac-12 announcement came one day after the Big Ten said all of its fall sports would be conference only . Home games against Houston (Sept. 12) and Idaho (Sept. 19) will also be eliminated from the 2020 slate.
MI sues DeVos over order to give millions to private schools
A number of private schools, particularly those run by Catholic dioceses, "have been taking a big hit" from the coronavirus, he said, and are struggling to remain open.
"This is in every county in the state of California", the governor said. The stricter measures to close gyms, churches and other services are targeted at 30 of the most populous counties in the state, where 80% of California residents live.
The order is likely to have a major impact on local businesses that already have reopened after the initial shutdown of non-essential business that was ordered on March 19.
Adams said on CBS' "Face the Nation" that "once upon a time, we prescribed cigarettes for asthmatics and leeches and cocaine and heroin for people as medical treatments".
Also on Monday, the San Diego and Los Angeles school districts issued a joint statement announcing that they would not resume in-person classes following the summer break.
Cases have increased 47% over the past two weeks, while hospital admissions have jumped 28% during the same period.
A 24/7 Barton COVID-19 health line, 530-600-1999, has been established for the public if they are experiencing symptoms of respiratory illness such as fever, coughing, sneezing, or shortness of breath.