After nearly a decade of helping communities in distress abroad, Sean Penn is joining the fight against the coronavirus much closer to home.

The Oscar winner’s disaster relief organization CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-thru COVID-19 test sites for those with qualifying symptoms. He along with his staff wearing hazard suits also are administering tests in his home city of Malibu.

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In this April 9, 2020 photo, actor Sean Penn, left, founder of the nonprofit organization Community Organized Relief Effort (CORE), and  MGM Worldwide Television Group chairman Mark Burnett wear masks as they visit a CORE coronavirus testing site at Malibu City Hall in Malibu, Calif.  The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms.(AP PhotoChris Pizzello)

After nearly a decade of helping communities in distress abroad, Sean Penn is joining the fight against the coronavirus much closer to home.

In this April 8, 2020 photo, actor and activist Sean Penn, founder of the nonprofit organization Community Organized Relief Effort, speaks during an interview at his home in Malibu, Calif. The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

The actor said he and his staff decided to “pull the trigger” very quickly to help run the test sites.

In this April 9, 2020 photo, health workers administer coronavirus tests at a drive-through testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

About 60 staff and volunteers are working in California including 10 Peace Corps volunteers.

In this April 9, 2020 photo, a health worker administers a coronavirus test at a drive-through testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia.

In this April 9, 2020 photo, actor Sean Penn, center, founder of the nonprofit organization Community Organized Relief Effort, talks with CORE supporter and MGM Worldwide Television Group chairman Mark Burnett at a CORE-sponsored coronavirus testing site at Malibu City Hall in Malibu, Calif.  The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

“Wash your hands because this is mostly hand to mouth from what we can tell. They gotta be really crispy, or you’re not doing it right,” he said.

In this April 8, 2020 photo, actor and activist Sean Penn, founder of the nonprofit organization Community Organized Relief Effort, speaks during an interview at his home in Malibu, Calif. The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 8, 2020 photo, actor and activist Sean Penn, founder of the nonprofit organization Community Organized Relief Effort, speaks during an interview at his home in Malibu, Calif. The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 9, 2020 photo, a car leaves a drive-through coronavirus testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 9, 2020 photo, a car leaves a drive-through coronavirus testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

Penn hopes the program can “save lives and alleviate depletion of resources” through the efforts of CORE, which stands for Community Organized Relief Effort. His non-profit organization stepped in to help rebuild Haiti after the 2010 earthquake and the devastating Hurricane Matthew.

In this April 9, 2020 photo, actor Sean Penn, left, founder of the nonprofit organization Community Organized Relief Effort (CORE), and  MGM Worldwide Television Group chairman Mark Burnett wear masks as they visit a CORE coronavirus testing site at Malibu City Hall in Malibu, Calif.  The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms.(AP PhotoChris Pizzello)

In this April 9, 2020 photo, actor Sean Penn, left, founder of the nonprofit organization Community Organized Relief Effort (CORE), and MGM Worldwide Television Group chairman Mark Burnett wear masks as they visit a CORE coronavirus testing site at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms.(AP PhotoChris Pizzello)

The actor said he and his staff decided to “pull the trigger” very quickly to help run the test sites.

“We have an infrastructure in place to respond, and so we decided that we would if we could be value added,” Penn said in an interview this week. “It’s something that we can adapt to very quickly with the training of the Los Angeles Fire Department initially. And then we’re able to take all those firemen and put them back in to serve the people in the way that we need them to.”

So far, CORE has provided more than 6,500 free tests since March 30. The organization is operating at four sites with plans of expanding and will manage a new location in Los Angeles starting Friday.

In this April 8, 2020 photo, actor and activist Sean Penn, founder of the nonprofit organization Community Organized Relief Effort, speaks during an interview at his home in Malibu, Calif. The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 8, 2020 photo, actor and activist Sean Penn, founder of the nonprofit organization Community Organized Relief Effort, speaks during an interview at his home in Malibu, Calif. The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

About 60 staff and volunteers are working in California including 10 Peace Corps volunteers.

“Getting more people tested will help us get Angelenos the care they need and flatten the curve more quickly to slow the spread of COVID-19,” Garcetti said in statement. “We are working closely with these extraordinary partners to expand access and grow capacity — and we’re grateful to everyone who has stepped up to strengthen this work.”

Los Angeles deputy mayor Jeff Gorell said in a tweet that CORE’s efforts will help take over the city’s fire department’s workload and free up first responders for emergency services.

In this April 9, 2020 photo, health workers administer coronavirus tests at a drive-through testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 9, 2020 photo, health workers administer coronavirus tests at a drive-through testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia.

The vast majority of people recover from the new virus. According to the World Health Organization, people with mild illness recover in about two weeks, while those with more severe illness may take three to six weeks to recover.

Penn hopes other non-profit organizations and local governments will help run test sites as well. In the meantime, he said everyone should be washing their hands so often, their hands should be “crispy.”

In this April 9, 2020 photo, a health worker administers a coronavirus test at a drive-through testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 9, 2020 photo, a health worker administers a coronavirus test at a drive-through testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

“Wash your hands because this is mostly hand to mouth from what we can tell. They gotta be really crispy, or you’re not doing it right,” he said.

The Associated Press receives support for health and science coverage from the Howard Hughes Medical Institute’s Department of Science Education. The AP is solely responsible for all content.

Associated Press Entertainment Writer Jonathan Landrum Jr. contributed to this report.

In this April 9, 2020 photo, actor Sean Penn, center, founder of the nonprofit organization Community Organized Relief Effort, talks with CORE supporter and MGM Worldwide Television Group chairman Mark Burnett at a CORE-sponsored coronavirus testing site at Malibu City Hall in Malibu, Calif.  The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 9, 2020 photo, actor Sean Penn, center, founder of the nonprofit organization Community Organized Relief Effort, talks with CORE supporter and MGM Worldwide Television Group chairman Mark Burnett at a CORE-sponsored coronavirus testing site at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 8, 2020 photo, actor and activist Sean Penn, founder of the nonprofit organization Community Organized Relief Effort, speaks during an interview at his home in Malibu, Calif. The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 8, 2020 photo, actor and activist Sean Penn, founder of the nonprofit organization Community Organized Relief Effort, speaks during an interview at his home in Malibu, Calif. The Oscar winner's disaster relief organization called CORE has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 9, 2020 photo, a car leaves a drive-through coronavirus testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)

In this April 9, 2020 photo, a car leaves a drive-through coronavirus testing site organized by actor Sean Penn's nonprofit organization Community Organized Relief Effort (CORE) at Malibu City Hall in Malibu, Calif. The Oscar winner's disaster relief organization has teamed up with Los Angeles Mayor Eric Garcetti’s office and the city’s fire department to safely distribute free drive-through COVID-19 test sites for those with qualifying symptoms. (AP PhotoChris Pizzello)