Virus Outbreak Thailand Investigate Journalism

Visitors set up inside circles designed to help prevent the spread of the coronavirus by encouraging social distancing at Dolores Park in San Francisco, Sunday, May 24, 2020. (AP Photo/Jeff Chiu)

A Sacramento County park ranger issues an alcohol citation to an American River visitor in the Sunrise Recreation Area near Rancho Cordova, Calif., during the Memorial Day weekend, Sunday, May 24, 2020. Alcohol is banned along the shoreline of the river between Hazel and Watt avenues on Memorial Day weekend, the Fourth of July and Labor Day weekend. (Daniel Kim/The Sacramento Bee via AP)

Visitors gather on the beach Sunday, May 24, 2020, in Newport Beach, Calif., during the coronavirus outbreak. (AP Photo/Marcio Jose Sanchez)

People walk down a road closed to cars while visiting Baker Beach during the coronavirus outbreak in San Francisco, Sunday, May 24, 2020. (AP Photo/Jeff Chiu)

Patrons buy ice cream Sunday, May 24, 2020, on Balboa Island in Newport Beach, Calif. As California residents ventured outdoors to take advantage of sunshine and relaxed rules to control the spread of the coronavirus, authorities said Memorial Day weekend crowds at beaches and parks were manageable Sunday, with most people wearing face coverings and practicing social distancing. (AP Photo/Marcio Jose Sanchez)

Virus Outbreak Beaches Reopen California

This Saturday, May 23, 2020, photo, shows a view of Avila Beach looking south from the Avila Beach Pier in Pismo Beach, Calif. The beaches in Pismo Beach and Avila Beach, California, were fairly packed with tourists during Memorial Day weekend with the coronavirus pandemic still ongoing. (Laura Dickinson/The Tribune (of San Luis Obispo) via AP)

People enjoy a warm sunny day in a city park in Montreal, Sunday May 24, 2020, as the COVID-19 pandemic continues in Canada and around the world. (Graham Hughes/The Canadian Press via AP)

A lab technician extracts portions of a COVID-19 vaccine candidate during testing at the Chula Vaccine Research Center, run by Chulalongkorn University in Bangkok, Thailand, Monday, May 25, 2020. Researchers in Thailand claim to have promising results with the vaccination on mice, and have begun testing on monkeys. (AP Photo/Sakchai Lalit)