Blood collection specialist Niilo Juntunen takes the blood pressure of recovered coronavirus patient Monica Jacobs before she donates convalescent plasma at the Central Seattle Donor Center of Bloodworks Northwest during the coronavirus disease (COVID-19) global outbreak, in Seattle, Washington, U.S. September 2, 2020. Picture taken September 2, 2020. REUTERS/Lindsey Wasson

Retired nurse Feridia Rojas, 82, checks the blood pressure of a neighbor amid concerns over the coronavirus disease (COVID-19) outbreak, in Havana, Cuba, June 16, 2020. The words on the cardboard read: "I am at home. And you?" Picture taken on June 16, 2020. REUTERS/Alexandre Meneghini

A blood pressure monitor is pictured outside a room at the new community recovery facility of the Changi Exhibition Centre amid the coronavirus disease (COVID-19) outbreak in Singapore June 3, 2020. Picture taken June 3, 2020. REUTERS/Edgar Su

A health worker takes blood pressure of a man before testing for the coronavirus disease (COVID-19), in the Bela Vista do Jaraqui, in the Conservation Unit Puranga Conquista along the Negro River banks, where Ribeirinhos (forest dwellers) live, amid the coronavirus disease (COVID-19) outbreak, in Manaus, Brazil, May 29, 2020. REUTERS/Bruno Kelly

Former actor Jose Maia gets his blood pressure checked outside his home in the Retiro dos Artistas (Artists Retirement) nursing home, a place specially designed for former artists, amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro,, Brazil May 25, 2020. REUTERS/Pilar Olivares

Segundo Montoya, 65, checks his blood pressure at home after refusing to go to the local hospital, during the coronavirus disease (COVID-19) outbreak, in Zapotal, Ecuador, May 2, 2020. Some villagers like Montoya have refused to go to public hospitals out of fear. "A doctor came, but I did not want to go to the hospital, because I could be left alone to die," said Montoya. REUTERS/Santiago Arcos SEARCH "RURAL ECUADOR COVID-19" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Crystal and Shane Pearson and their daughter Ella, 5, pose for a photo as they self-isolate in their Newcastle home since early March due to Crystal's tendency to contract bronchitis and pneumonia, and Shane's heart conditions and high blood pressure amid the outbreak of the coronavirus disease (COVID-19) in Newcastle, Washington, U.S. March 21, 2020. Picture taken March 21, 2020. REUTERS/Lindsey Wasson

Crystal and Shane Pearson and their daughter Ella, 5, pose for a photo as they self isolate in their Newcastle home since early March due to Crystal's tendency to contract bronchitis and pneumonia, and Shane's heart conditions and high blood pressure amid the outbreak of the coronavirus disease (COVID-19) in Newcastle, Washington, U.S. March 21, 2020. Picture taken March 21, 2020. REUTERS/Lindsey Wasson

Crystal and Shane Pearson and their daughter Ella, 5, pose for a photo as they self isolate in their Newcastle home since early March due to Crystal's tendency to contract bronchitis and pneumonia, and Shane's heart conditions and high blood pressure amid the outbreak of the coronavirus disease (COVID-19) in Newcastle, Washington, U.S. March 21, 2020. Picture taken March 21, 2020. REUTERS/Lindsey Wasson

A doctor checks the blood pressure of David Lopez, 45, before he donates blood, at a Red Cross urgent blood drive, as efforts continue to help slowing the spread of the coronavirus disease (COVID-19) outbreak, at Vicente Espinel theatre in Ronda, Spain, April 28, 2020. REUTERS/Jon Nazca

A member of the French Civil Protection service measures blood pressure of a man suspected of being infected with the coronavirus disease (COVID-19), as its spread continues, in Paris, France, April 5, 2020. REUTERS/Benoit Tessier

A volunteer takes the blood pressure of a colleague, who was exposed to a family member who tested positive to coronavirus, in a sealed off tent during a media presentation of the safety checks, at the Chene Medical Centre during the coronavirus disease (COVID-19) outbreak in Thierrens, Switzerland, April 3, 2020. REUTERS/Denis Balibouse

A medical staff of Global Response Management takes blood pressure of a migrant patient, who is seeking asylum in the U.S., at an encampment of more than 2,000 migrants, as local authorities prepare to respond to the coronavirus disease (COVID-19) outbreak, in Matamoros, Mexico March 23, 2020. REUTERS/Go Nakamura

A doctor checks the blood pressure of a Yazidi displaced woman, as they wear protective face masks, following the coronavirus outbreak, at medical Center in the Sharya camp in Duhok, Iraq March 7, 2020. REUTERS/Ari Jalal

Hannaa Jassem, 24, an Iraqi nurse checks the blood pressure of young man in Baghdad, Iraq December 17, 2019. Picture taken December 17, 2019. REUTERS/Saba Kareem

Hannaa Jassem, 24, an Iraqi nurse checks a man's blood pressure in Baghdad, Iraq December 17, 2019. Picture taken December 17, 2019. REUTERS/Saba Kareem

A nun checks the blood pressure of a man who is homeless, during a charity event organised by Caritas, a Catholic organisation in Omsk, Russia, October 24, 2019. REUTERS/Alexey Malgavko SEARCH "OMSK HOMELESS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A man checks his blood pressure before donating blood to the victims of a gun battle involving a Thai soldier on a shooting rampage, at a hospital in Nakhon Ratchasima, Thailand February 9, 2020. REUTERS/Soe Zeya Tun

A woman checks her blood pressure before donating blood to the victims of a gun battle involving a Thai soldier on a shooting rampage, at a hospital in Nakhon Ratchasima, Thailand February 9, 2020. REUTERS/Soe Zeya Tun

Bob Gargaro of Omron Healthcare displays the HeartGuide, the first FDA-approved wearable blood pressure monitor, during the 2020 CES in Las Vegas, Nevada, U.S. January 8, 2020. REUTERS/Steve Marcus

Dr. Zoilo López checks the blood pressure of a Bahamian woman in Eight Mile Rock settlement in Grand Bahama, Bahamas, October 5, 2019. Picture taken October 5, 2019. REUTERS/Gabriella N. Baez

A paramedic measures the blood pressure of a local resident at a polling station set up at a school during local elections in the village of Sibilyakovo, Omsk region, Russia, September 8, 2019. REUTERS/Alexey Malgavko SEARCH "SIBILYAKOVO MALGAVKO" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A Palestinian man has his blood pressure checked in a mobile clinic in the Bedouin village of Al-Maleh in Jordan valley in the Israeli-occupied West Bank March 13, 2019. Picture taken March 13, 2019. REUTERS/Raneen Sawafta

Conference attendees hold puppies at the "Happiness is a Warm Puppy" session which attendees are invited to "reduce blood pressure, promote focused interaction with others, stimulate problem-solving skills and lift mood" at the 2019 Milken Institute Global Conference in Beverly Hills, California, U.S., April 29, 2019. REUTERS/Lucy Nicholson

A conference attendee picks up a puppy at the "Happiness is a Warm Puppy" session which attendees are invited to "reduce blood pressure, promote focused interaction with others, stimulate problem-solving skills and lift mood" at the 2019 Milken Institute Global Conference in Beverly Hills, California, U.S., April 29, 2019. REUTERS/Lucy Nicholson

Protesters from the climate change pressure group Extinction Rebellion demonstrate by sitting in the road after pouring fake blood onto the ground outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls TPX IMAGES OF THE DAY

Protesters from the climate change pressure group Extinction Rebellion demonstrate by pouring fake blood onto the street outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls

Protesters from the climate change pressure group Extinction Rebellion demonstrate by pouring fake blood onto the street outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls

Protesters from the climate change pressure group Extinction Rebellion demonstrate by pouring fake blood onto the street outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls

Protesters from the climate change pressure group Extinction Rebellion demonstrate by pouring fake blood onto the street outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls

Protesters from the climate change pressure group Extinction Rebellion demonstrate by sitting in the road after pouring fake blood onto the ground outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls

Protesters from the climate change pressure group Extinction Rebellion demonstrate by sitting in the road after pouring fake blood onto the ground outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls

Protesters from the climate change pressure group Extinction Rebellion demonstrate by sitting in the road after pouring fake blood onto the ground outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls

Protesters from the climate change pressure group Extinction Rebellion demonstrate by sitting in the road after pouring fake blood onto the ground outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls

Protesters from the climate change pressure group Extinction Rebellion demonstrate by sitting in the road after pouring fake blood onto the ground outside Downing Street in London, Britain, March 9, 2019. REUTERS/Henry Nicholls

Chandan Jana, 32, measures the blood pressure of a man inside his medicine shop at a market on Ghoramara Island, India, September 20, 2018. Picture taken on September 20, 2018. REUTERS/Rupak De Chowdhuri

Retired French doctor Jean-Francois Rechner, 67, measures the blood pressure of a patient during a consultation at the 'Service Medical de Proximite' clinic in Laval, France, November 8, 2018. Picture taken November 8, 2018. REUTERS/Stephane Mahe

Retired French doctor Jean-Francois Rechner, 67, measures the blood pressure of a patient during a consultation at the 'Service Medical de Proximite' clinic in Laval, France, November 8, 2018. Picture taken November 8, 2018. REUTERS/Stephane Mahe

A nurse checks the blood pressure of a candidate applying for a position at the Haitian Armed Forces (FAD'H) in a military base in Gressier, Haiti, November 12, 2018. REUTERS/Andres Martinez Casares

Raimundo Ferreira, 74, who plans to vote for leftist candidate Fernando Haddad of the Workers Party (PT) in Brazil's presidential election, has his blood pressure measured, in Morro Do Veridiano, Belagua Municipality in Maranhao state, Brazil, October 10, 2018. REUTERS/Nacho Doce SEARCH "ELECTION POVERTY" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A student wears a student made "smart watch", which measures the temperature and blood pressure of its users, in the city of Zliten, Libya October 3, 2018. Picture taken October 3, 2018. REUTERS/Ayman al-Sahili

A nurse takes someones blood pressure inside the East Arkansas Family Health Center in Lepanto, Arkansas, U.S., May 2, 2018. Picture taken May 2, 2018. To match Special Report USA-HEALTHCARE/ARKANSAS REUTERS/Karen Pulfer Focht

Reuters photographer Gonzalo Fuentes get a blood pressure check by a paramedic at the stadium media center in Kaliningrad, Russia, June 21, 2018. As well as shooting all the matches, Reuters photographers are producing pictures showing their own quirky view from the sidelines of the World Cup. REUTERS/Fabrizio Bensch

A nurse checks the blood pressure of John Rodriguez at the San Rafael nursing home in Arecibo, Puerto Rico February 14, 2018. Picture taken February 14, 2018. REUTERS/Alvin Baez

Nurse Melissa Muse checks the blood pressure of retired coal miner James Marcum, who has complicated black lung disease, during an exam at the Stone Mountain Health Services in St. Charles, Virginia, U.S., May 18, 2018. Marcum worked at a surface strip mine for 20 to 25 years, but has not yet been approved for benefits for his black lung disease. REUTERS/Brian Snyder SEARCH "BLACK LUNG" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A patient has his blood pressure taken at ProMedica’s Heartland facility in Sylvania, Ohio, U.S., May 14, 2018. Picture taken May 14, 2018. REUTERS/Aaron Josefczeyk

Wang-Chen Bi-Jin, 91 years old, a member of "Six Carat" elderly Hip Hop dance group, has her blood pressure read during practice session in Taichung, Taiwan April 24, 2018. Picture taken April 24, 2018. REUTERS/Tyrone Siu

Chaluay Suriyon (R), 84, who studies at the School for the Elderly in Chiang Rak Noi subdistrict is visited by her cousins at her home in Ayutthaya, Thailand, April 24, 2018. "I used to be unhealthy with bad blood pressure. I enjoy going to the classes, joined the activities and danced with my friends," Suriyon said." After graduation, I'm back to being lonely again and think a lot about stuff. My health has gone back to how it was and I had to go back to my blood pressure pills. I miss my friends." REUTERS/Athit Perawongmetha SEARCH "PERAWONGMETHA SCHOOL" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A doctor checks a university student's blood pressure as they prepare for protests over a reform to the pension plans of the Nicaraguan Social Security Institute (INSS) in Managua, Nicaragua on April 24, 2018. REUTERS /Jose Cabezas

A man has his blood pressure checked at the Remote Area Medical Clinic in Wise, Virginia, U.S., July 22, 2017. REUTERS/Joshua Roberts

A medical worker takes the blood pressure of wife of gunman Jessie Javier Carlos, a 42-year-old Filipino, who was behind an attack on a Resorts World casino on Friday, during a press briefing at a hotel in Pasay city, metro Manila, Philippines June 4, 2017. REUTERS/Romeo Ranoco

A paramedic checks the blood pressure of patients at SS Diabetes Care clinic in Jakarta, Indonesia, April 22, 2016. REUTERS/Beawiharta

Sara Hinojosa, 31, has her blood pressure read at a free medical and dental health clinic in Los Angeles, California, U.S., April 27, 2016. REUTERS/Lucy Nicholson

Cuban migrant Ismael Diaz, 46, an agricultural worker, (L) is pictured with Carlos Perez, 45, an economist, as they work on a private property in Paso Canoas on the border with Costa Rica March 22, 2016. "I left Cuba with $2,500 and arrived in Ecuador. From Ecuador to Panama I lost all my money after the Colombian mafia tried to kidnap my wife and they stole all my money," said Diaz, who has been in Panama for seven months. "All I want to do is complete the American Dream." Diaz makes $20 a day and uses the money to pay for medicine for his wife, who has high blood pressure. "I have a wife and 2 children travelling with me," said Perez. "We left Cuba with $2,400, we worked a bit in Ecuador. We have just enough money for the plane tickets for all 4 of us to travel from Panama to Mexico. I work for $20 a day which covers our daily needs. The only thing I want is to reach to Miami to give my children a better future." REUTERS/Carlos Jasso SEARCH "CUBANS STUCK" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES

A female volunteer from Brazil who has joined the Kurdish peshmerga forces, checks the blood pressure of a Kurdish officer on the outskirts of Kirkuk, February 28, 2016. Picture taken February 28, 2016. REUTERS/Ako Rasheed

Sun Huanping, 55, cries as she talks about her dead son at her house in Zhangjiakou, China, November 23, 2015. Sun and her 53-year-old husband Li Guoquan's son, Li Chao, was born in 1987 and died from a car accident in 2013. Sun terminated another pregnancy and couldn't think of having a second child because of the strict application of the one-child policy. After the loss of their son, Sun has suffered from conditions including depression, high blood pressure and diabetes. They live on Sun's pension and Li's monthly salary; it is not enough to cover their medical bills so they rely on the savings they had put aside for their son's marriage. The change to the one-child policy is too late and means nothing to them, they said. REUTERS/Kim Kyung-Hoon PICTURE 2 OF 18 FOR WIDER IMAGE STORY "CHINA: WHEN AN ONLY CHILD DIES" SEARCH "KIM ONE CHILD" FOR ALL IMAGES TPX IMAGES OF THE DAY

Sun Huanping, 55, shows her dead son's "honourable single child certification" which bears the slogan, "For the revolution, have only one child" at her house in Zhangjiakou, China, November 23, 2015. Sun's son with her 53-year-old husband Li Guoquan, Li Chao, was born in 1987 and died from a car accident in 2013. Sun terminated another pregnancy and couldn't think of having a second child because of the strict application of the one-child policy. After the loss of their son, Sun has suffered from conditions including depression, high blood pressure and diabetes. They live on Sun's pension and Li's monthly salary; it is not enough to cover their medical bills so they rely on the savings they had put aside for their son’s marriage. The change to the one-child policy is too late and means nothing to them, they said. REUTERS/Kim Kyung-Hoon PICTURE 3 OF 18 FOR WIDER IMAGE STORY "CHINA: WHEN AN ONLY CHILD DIES" SEARCH "KIM ONE CHILD" FOR ALL IMAGES TPX IMAGES OF THE DAY TPX IMAGES OF THE DAY

Expectant mother Nadia Reyna gets her blood pressure checked by medical assistant Gaby Gonzalez at Nuestra Clinica de Valle women's clinic in San Juan, Texas, September 22, 2015. Four years after cutting off funding for Planned Parenthood, the state of Texas says it has been able to rebuild its safety net, in what could be a model for Republicans in Congress who hope to defund the nation's largest family planning provider at the national level. Picture taken September 22, 2015. REUTERS/Delcia Lopez

Expectant mother Nadia Reyna gets her blood pressure checked by medical assistant Gaby Gonzalez at Nuestra Clinica de Valle women's clinic in San Juan, Texas, September 22, 2015. Four years after cutting off funding for Planned Parenthood, the state of Texas says it has been able to rebuild its safety net, in what could be a model for Republicans in Congress who hope to defund the nation's largest family planning provider at the national level. Picture taken September 22, 2015. REUTERS/Delcia Lopez

Valerie Caesar, 46, (R) has her blood pressure taken at the Care Harbor four-day free clinic, which offers free medical, dental, and vision care to around 4,000 uninsured people in Los Angeles, California, United States October 15, 2015. REUTERS/Lucy Nicholson