A tram drives through downtown Lisbon, Friday, June 18, 2021. Travel in and out of the Lisbon metropolitan area is to be banned over coming weekends as Portuguese authorities respond to a spike in new COVID-19 cases in the region around the capital. (AP Photo/Armando Franca)

An Indigenous man wearing a mask amid the COVID-19 pandemic takes part in a protest against Brazilian President Jair Bolsonaro's proposals to allow mining on Indigenous lands, at the entrance of the Chamber of Deputies in Brasilia, Brazil, Wednesday, June 16, 2021. (AP Photo/Eraldo Peres)

Relatives attend the burial service of 89-year-old Irodina Pinto Ribeiro, who died from COVID-19 related complications, at the Inhauma cemetery in Rio de Janeiro, Brazil, Friday, June 18, 2021. Brazil is approaching an official COVID-19 death toll of 500,000 — second-highest in the world. (AP Photo/Bruna Prado)

People march along the 9 de Julio Avenue to demand better wages and jobs, in Buenos Aires, Argentina, Friday, June 18, 2021. In the midst of a second wave of the new coronavirus, healthcare workers and social organizations marched due to high inflation and increasing poverty. (AP Photo/Victor R. Caivano)

Violinist Antonio Hernandez plays for the relatives of COVID-19 victim Miryam Rodriguez, while they are gathered for prayer by the hearse that carries her remains to Serafin Cemetery, before cremation in Bogota, Colombia, Friday, June 18, 2021. Due to regulations to contain the new coronavirus, relatives cannot enter the cemetery. (AP Photo/Ivan Valencia)

FILE - In this Dec. 24, 2020, file photo, a COVID-19 vaccination record card is shown at Seton Medical Center in Daly City, Calif. California is offering residents to access a digital record of their coronavirus vaccinations they can use to access businesses or events that require proof of inoculation. The state's public health and technology departments said Friday, June 18, 2021, the new tool will allow Californians to access their record from the state's immunization registry. (AP Photo/Jeff Chiu, File)

Relatives of COVID-19 victim Miryam Rodriguez listen to prayer outside Serafin Cemetery before her body is cremated in Bogota, Colombia, Friday, June 18, 2021. According to the regulations to contain the new coronavirus, relatives cannot enter the cemetery. (AP Photo/Ivan Valencia)

FILE - In this May 26, 2021 file photo, a demonstrator holds an image of the Brazilian flag covered in fake blood and the Portuguese phrase "Bolsonaro Genocide" during an anti-government protest by unions against President Jair Bolsonaro's policies to fight the COVID-19 pandemic in Brasilia, Brazil. Brazil's Senate is publicly investigating how the death toll got so high, focusing on why Bolsonaro's government ignored opportunities to buy vaccines for months. (AP Photo/Eraldo Peres, File)

Angela Ermold, right, and her sister, Denise Gracely, hold a photo of their mother, Marian Rauenzahn, Thursday, June 17, 2021, in Fleetwood, Pa. Pandemic restrictions are falling away almost everywhere — except inside many of America’s nursing homes. “They have protected them to death,” said Gracely. (AP Photo/Matt Slocum)

Nurses take the body of Isidra Coronel to the morgue after removing her body from a hospital bed where she died from COVID-19 at Hospital de Clinicas in San Lorenzo, Paraguay, Friday, June 18, 2021. According to the Health Ministry, Paraguay has South America's highest rate of COVID-19 related deaths per capita. (AP Photo/Jorge Saenz)

People march to demand better wages and jobs, in Buenos Aires, Argentina, Friday, June 18, 2021. In the midst of a second wave of the new coronavirus, healthcare workers and social organizations marched due to high inflation and increasing poverty. (AP Photo/Victor R. Caivano)

Festivalgoers arrive during a downpour on the first day of Download Festival at Donington Park at Castle Donington, England, Friday June 18, 2021. The three-day music and arts festival is being held as a test event to examine how Covid-19 transmission takes place in crowds, with the the capacity significantly reduced from the normal numbers. (Joe Giddens/PA via AP)