Diabetes drug Farxiga (dapagliflozin) is displayed at a pharmacy in Provo, Utah, U.S. May 28, 2020. REUTERS/George Frey

Diabetes drug Farxiga (dapagliflozin) is displayed at a pharmacy in Provo, Utah, U.S. May 28, 2020. REUTERS/George Frey

Diabetes drug Farxiga (dapagliflozin) is displayed at a pharmacy in Provo, Utah, U.S. May 28, 2020. REUTERS/George Frey

Diabetes drug Farxiga (dapagliflozin) is displayed at a pharmacy in Provo, Utah, U.S. May 28, 2020. REUTERS/George Frey

U.S. President Donald Trump speaks about the cost of treating diabetes in the White House Rose Garden during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump pauses while speaking about the cost of treating diabetes in the White House Rose Garden during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump listens as Vice President Mike Pence speaks about the coronavirus disease (COVID-19) outbreak response in the Rose Garden at the White House in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks about the he coronavirus disease (COVID-19) outbreak, the cost of treating diabetes and several other subjects in the Rose Garden at the White House in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump takes questions after speaking about the coronavirus disease (COVID-19) outbreak and the cost of treating diabetes and in the Rose Garden at the White House in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks about the he coronavirus disease (COVID-19) outbreak in the Rose Garden at the White House in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks about the he coronavirus disease (COVID-19) outbreak in the Rose Garden at the White House in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump pauses while speaking about the cost of treating diabetes and the coronavirus disease (COVID-19) outbreak in the White House Rose Garden in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump takes questions after speaking about the cost of treating diabetes and the coronavirus disease (COVID-19) outbreak in the White House Rose Garden in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks about the cost of treating diabetes as Vice President Mike Pence stands by in the White House Rose Garden during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump pauses while speaking about the cost of treating diabetes in the White House Rose Garden during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump pauses while speaking about the cost of treating diabetes in the White House Rose Garden during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

Guest practice social distancing as U.S. President Donald Trump speaks about the cost of treating diabetes in the White House Rose Garden during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks about the cost of treating diabetes in the White House Rose Garden during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks about the cost of treating diabetes in the White House Rose Garden during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks about the cost of treating diabetes in the White House Rose Garden during the coronavirus disease (COVID-19) outbreak in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

White House Press Secretary Kayleigh McEnany holds a briefing for reporters and speaks about the coronavirus disease (COVID-19) outbreak in the Brady Press Briefiing Room at the White House in Washington, U.S., May 26, 2020. REUTERS/Jonathan Ernst

A man is pictured on a street in Mexico City as Mexico braces for the impact of the fast-spreading coronavirus disease (COVID-19), March 24, 2020. Picture taken March 24, 2020. REUTERS/Gustavo Graf

People walk on a street in Mexico City as Mexico braces for the impact of the fast-spreading coronavirus disease (COVID-19), March 24, 2020. Picture taken March 24, 2020. REUTERS/Gustavo Graf

A man eats tacos in a restaurant in Mexico City as Mexico braces for the impact of the fast-spreading coronavirus disease (COVID-19), March 24, 2020. Picture taken March 24, 2020. REUTERS/Gustavo Graf

A woman eats tacos in a restaurant in Mexico City as Mexico braces for the impact of the fast-spreading coronavirus disease (COVID-19), March 24, 2020. Picture taken March 24, 2020. REUTERS/Gustavo Graf

A man is pictured on a street in Mexico City as Mexico braces for the impact of the fast-spreading coronavirus disease (COVID-19), March 24, 2020. Picture taken March 24, 2020. REUTERS/Gustavo Graf

A woman rides on the back of bicycle as Mexico is bracing for the impact of the fast-spreading coronavirus disease (COVID-19), in Mexico City, Mexico March 24, 2020. Picture taken March 24, 2020. REUTERS/Gustavo Graf

A man is pictured on a street as Mexico is bracing for the impact of the fast-spreading coronavirus disease (COVID-19), in Mexico City, Mexico March 24, 2020. Picture taken March 24, 2020. REUTERS/Gustavo Graf

Libby Morter a diabetic who is currently studying for her A-Levels at home due to a shortage of teachers at her school as the spread of the coronavirus disease (COVID-19) continues. Hertford, Britain, March 19, 2020. REUTERS/Andrew Couldridge

Libby Morter a diabetic who is currently studying for her A-Levels at home due to a shortage of teachers at her school as the spread of the coronavirus disease (COVID-19) continues. Hertford, Britain, March 19, 2020. REUTERS/Andrew Couldridge

Libby Morter a diabetic who is currently studying for her A-Levels at home due to a shortage of teachers at her school as the spread of the coronavirus disease (COVID-19) continues. Hertford, Britain, March 19, 2020. REUTERS/Andrew Couldridge

Libby Morter a diabetic who is currently studying for her A-Levels at home due to a shortage of teachers at her school as the spread of the coronavirus disease (COVID-19) continues. Hertford, Britain, March 19, 2020. REUTERS/Andrew Couldridge

Libby Morter a diabetic who is currently studying for her A-Levels at home due to a shortage of teachers at her school as the spread of the coronavirus disease (COVID-19) continues. Hertford, Britain, March 19, 2020. REUTERS/Andrew Couldridge

Libby Morter a diabetic who is currently studying for her A-Levels at home due to a shortage of teachers at her school as the spread of the coronavirus disease (COVID-19) continues. Hertford, Britain, March 19, 2020. REUTERS/Andrew Couldridge

(L-R, counter-clockwise) Ted Bowen, 85, and Ginger Bowen, 68, dine with Becky Brace, 76, and Bear Brace, 78, at Amerikano's Grille at Spanish Springs Town Square amid coronavirus (COVID-19) cases in The Villages, Florida, U.S. March 16, 2020. Bear Brace says that while he believes he is being careful, as he has suffered from diabetes and cancer, that he would still like to go out with his friends. REUTERS/Yana Paskova

Bear Brace, 78, dines with friends at Amerikano's Grille at Spanish Springs Town Square amid coronavirus (COVID-19) cases in The Villages, Florida, U.S. March 16, 2020. Brace says that while he believes he is being careful, as he has suffered from diabetes and cancer, that he would still like to go out with his friends. REUTERS/Yana Paskova

(L-R) Retiree Al Berliner, 73, and Michaele Gagnier, 72, greet each other at Spanish Springs Town Square amid coronavirus (COVID-19) cases in The Villages, Florida, U.S. March 16, 2020. Berliner, who has diabetes and COPD, says, "If I die tonight, they'll find me with a smile on my face. I don't worry about stuff like that." REUTERS/Yana Paskova

Retiree Al Berliner, 73, sits in his golf cart at Spanish Springs Town Square amid coronavirus (COVID-19) cases in The Villages, Florida, U.S. March 16, 2020. Berliner, who has diabetes and COPD, says, "If I die tonight, they'll find me with a smile on my face. I don't worry about stuff like that." REUTERS/Yana Paskova

Retiree Al Berliner, 73, drags chairs in anticipation of gathering friends at Spanish Springs Town Square amid coronavirus (COVID-19) cases in The Villages, Florida, U.S. March 16, 2020. Berliner, who has diabetes and COPD, says, "If I die tonight, they'll find me with a smile on my face. I don't worry about stuff like that." REUTERS/Yana Paskova

Dr. Leticia Fontanez distributes medication in Eight Mile Rock settlement in Grand Bahama, Bahamas, October 5, 2019. Lack of medication for chronic medical conditions like diabetes and open wounds are among the most common challenges encountered by the staff of Haiti Se Pone de Pie, a Puerto Rican medical charity, who travelled to the Bahamas to bring medical assistance to people affected by Hurricane Dorian. "They're going to need a lot more care," said Dr. Pablo Nieves during the October trip to the Bahamas. Picture taken October 5, 2019. REUTERS/Gabriella N. Baez

U.S. Sen. Bernie Sanders rides a charter bus from Detroit, Michigan with Bradey Lockwood and Stephanie Oderte, both living with type 1 diabetes, to purchase lower priced insulin at a Canadian pharmacy in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

U.S. citizen Jillian Rippolone, who lives with type 1 diabetes, walks out of a Canadian pharmacy with U.S. Sen. Bernie Sanders after purchasing lower priced insulin in Windsor, Ontario, Canada July 28, 2019. REUTERS/Rebecca Cook

U.S. Sen. Bernie Sanders talks about the high cost of health care in the U.S. while a U.S. citizen Sahil Menta, who lives with type 1 diabetes, waits to purchase lower priced insulin in a Canadian pharmacy in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

U.S. citizen Quinn Nystrom, who lives with type 1 diabetes, waits to purchase lower priced insulin while U.S. Sen. Bernie Sanders talks about the high cost of health care in the U.S, in a Canadian pharmacy in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

U.S. citizen Jillian Rippolone, who lives with type 1 diabetes, talks to U.S. Sen. Bernie Sanders about the high cost of U.S. health care inside the Canadian pharmacy in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

U.S. citizens Jillian Rippolone and Desralynn Cole, both living with type 1 diabetes, hold bags with the lower cost insulin they purchased during a rally with U.S. Sen. Bernie Sanders outside a Canadian pharmacy in Windsor, Ontario, Canada July 28, 2019. REUTERS/Rebecca Cook

Type 1 diabetes advocate Rachael Lockwood holds up a box of insulin that she bought for three of her children and signed by U.S. Sen. Bernie Sanders, while riding a charter bus across the border back to Detroit, Michigan after purchasing lower cost insulin from a Canadian pharmacy in Windsor, Ontario, Canada July 28, 2019. REUTERS/Rebecca Cook

U.S. Sen. Bernie Sanders talks with type 1 diabetes advocate Quinn Nystrom as they ride a charter bus across the border back to Detroit, Michigan after Nystrom purchased lower cost insulin from a Canadian pharmacy in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

U.S. Sen. Bernie Sanders rides a charter bus with type 1 diabetes advocates across the border back to Detroit, Michigan after purchasing lower cost insulin from a Canadian pharmacy in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

U.S. Sen. Bernie Sanders rides a charter bus with type 1 diabetes advocates across the border from Detroit, Michigan to a Canadian pharmacy to purchase lower cost insulin in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

Hugo Sego who lives with type 1 diabetes, hugs his mother Kathy as she reacts during a rally with advocate for the disease U.S. Sen. Bernie Sanders at a Canadian pharmacy after purchasing lower cost insulin in Windsor, Ontario, Canada July 28, 2019. REUTERS/Rebecca Cook

REFILE - ADDING INFORMATION U.S. Sen. Bernie Sanders advocates for cheaper health care alongside type 1 diabetes patients, during a rally at a Canadian pharmacy after purchasing lower cost insulin in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

REFILE - ADDING INFORMATION U.S. Sen. Bernie Sanders advocates for cheaper health care alongside type 1 diabetes patients, during a rally at a Canadian pharmacy after purchasing lower cost insulin in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

REFILE - ADDING INFORMATION U.S. Sen. Bernie Sanders advocates for cheaper health care alongside type 1 diabetes patients, during a rally at a Canadian pharmacy after purchasing lower cost insulin in Windsor, Ontario, Canada, July 28, 2019. REUTERS/Rebecca Cook

Diabetes and insulin advocates from the United States tour the Banting House Museum which is considered the birthplace of insulin in London, Ontario, Canada June 29, 2019. REUTERS/Carlos Osorio

Notes left by diabetes and insulin advocates from the United States is pictured during a tour of the Banting House Museum which is considered the birthplace of insulin in London, Ontario, Canada June 29, 2019. REUTERS/Carlos Osorio

Diabetes and insulin advocates from the United States tour the Banting House Museum which is considered the birthplace of insulin in London, Ontario, Canada June 29, 2019. REUTERS/Carlos Osorio

The Doctor Frederick Banting statue at the Banting House Museum which is considered the birthplace of insulin is pictured in London, Ontario, Canada June 29, 2019. REUTERS/Carlos Osorio

Jillian Rippolone, a diabetes advocate from the United States, takes a photo with the Doctor Frederick Banting statue at the Banting House Museum which is considered the birthplace of insulin in London, Ontario, Canada June 29, 2019. REUTERS/Carlos Osorio

Quinn Nystrom a diabetes advocate from the United States speaks with the media after purchasing lower cost insulin at a Canadian pharmacy in London, Ontario, Canada June 29, 2019. REUTERS/Carlos Osorio