The Latest: Mexico to use US vaccine doses at border

California Gov. Gavin Newsom and UC Davis Assistant Nurse Manager Claudio Alvarado select the first 15 Californians to be awarded $50,000 for doing their part in getting vaccinated against COVID-19 at the California Lottery Headquarters on Friday, June 4, 2021, in Sacramento, Calif. It was the first in a series of drawings for $16.5 million in prize money aimed at encouraging Californians to get their shots ahead of June 15, when the state plans to lift almost all virus-related restrictions. (Paul Kitagaki Jr./The Sacramento Bee via AP)

Sally Sliger, Colorado's first $1-million winner for receiving the COVID-19 vaccine, jokes with reporters during a news conference to announce the awarding of the prize at the governor's mansion, Friday, June 4, 2021, in Denver. Colorado will award four more $1-million prizes in the next month to residents who have been vaccinated. (AP Photo/David Zalubowski)

People sit in a re-opened cafe in Ankara, Turkey, Tuesday, June 1, 2021. Cafes and restaurants have re-opened in Turkey after President Recep Tayyip Erdogan's announcement Monday. Most of these establishments have stayed closed down for over a month and a half and Tuesday is their first day back at work.(AP Photo/Burhan Ozbilici)

A woman wearing protective face mask, shows her COVID-19 test to a police officer at Ledra crossing point in divided capital Nicosia, Cyprus, Friday, June 4, 2021. Ethnically split Cyprus took a key step toward a return to its normal rhythms of life amid the pandemic on Friday when nine crossing points along a United Nations-controlled buffer zone were reopened, enabling ordinary Cypriots to cross the divide. (AP Photo/Petros Karadjias)

Belgium's Prime Minister Alexander De Croo talks during a news conference following a government meeting to discuss coronavirus COVID-19 national measures in Brussels, Friday, June 4, 2021. (Johanna Geron/Pool Photo via AP)

Nurses talk with people before giving a first dose of China's Sinovac vaccine for COVID-19 at a gym in Bogota, Colombia, Friday, June 4, 2021. (AP Photo/Fernando Vergara)

A healthcare worker shows a woman the dose of China's Sinovac vaccine for COVID-19 before giving it to her in Bogota, Colombia, Friday, June 4, 2021. (AP Photo/Fernando Vergara)

South Korean soldiers talk as a batch of Johnson & Johnson's Janssen COVID-19 vaccines arrive at a military airport in Seongnam, South Korea, early Saturday, June 5, 2021. (Kim Hong-ji/Pool photo via AP)

Lorie Stevens shows her "COVID-19 Vaccine" sticker after getting her shot at the VDH vaccination clinic at the Coomes Center, Wednesday, June 2, 2021 in Abingdon, Va. The Virginia Department of Health mobile clinic will be traveling to multiple stops in the upcoming weeks. (David Crigger/Bristol Herald Courier via AP)

Sally Sliger, center, Colorado's first $1-million winner for receiving the COVID-19 vaccine, and her husband, Chris, right, joke with Colorado Governor Jared Polis during a news conference to announce the awarding of the prize Friday, June 4, 2021, at the governor's mansion in Denver. Colorado will award four more $1-million prizes in the next month to residents who have been vaccinated. (AP Photo/David Zalubowski)

A plane waits on tarmac for loading the cargos before its departure for Taiwan, at Narita International Airport in Narita, east of Tokyo, Friday, June 4, 2021. Japan is donating 1.24 million doses of AstraZeneca vaccine to Taiwan to help the island fight its latest resurgence of the COVID-19 cases, as Tokyo, despite its painfully slow vaccine rollouts at home, tries to play a greater role in global vaccination distribution.(Sadayuki Goto/Kyodo News via AP)

A healthcare worker fills out paper work for a patient who died from COVID-19, in a morgue at the Samaritana Hospital in Bogota, Colombia, Thursday, June 3, 2021. Colombia has become a pandemic hotspot experiencing a third wave of COVID-19 infections and a surge in deaths. (AP Photo/Ivan Valencia)

Students wearing face masks sit spaced apart during a trial run of a class with COVID-19 protocols at an elementary school in Jakarta, Indonesia, Friday, June 4, 2021. The world's fourth-most populous country, with about 275 million people, has reported more coronavirus cases than any other Southeast Asian country. (AP Photo/Tatan Syuflana)

University students wait their turn to be inoculated with the CanSino COVID-19 vaccine at a vaccination site vaccinating people over age 23 at Andres Bello University in Santiago, Chile, Thursday, June 3, 2021. (AP Photo/Esteban Felix)

People wait their turn to receive the first shot the Sinovac COVID-19 vaccine at a vaccination center, in Karachi, Pakistan, Friday, June 4, 2021. (AP Photo/Fareed Khan)

Men line up outside a gym to get a COVID-19 vaccine in Bogota, Colombia, Friday, June 4, 2021. (AP Photo/Fernando Vergara)