A woman in a gas mask attends a protest demanding equality on International Women's Day in Paris, France, March 8, 2020. The placard reads "Patriarchy virus. We are the antidote". REUTERS/Pascal Rossignol TPX IMAGES OF THE DAY

62nd Grammy Awards – Photo Room– Los Angeles, California, U.S., January 26, 2020 – Chick Corea & The Spanish Heart Band pose backstage with their Best Latin Jazz Album award for "Antidote". REUTERS/Monica Almeida

62nd Grammy Awards – Photo Room– Los Angeles, California, U.S., January 26, 2020 – Chick Corea & The Spanish Heart Band pose backstage with their Best Latin Jazz Album award for "Antidote". REUTERS/Monica Almeida

62nd Grammy Awards - Show - Los Angeles, California, U.S., January 26, 2020 - Chick Corea and The Spanish Heart Band accept the award for Best Latin Jazz Album for "Antidote." REUTERS/Mario Anzuoni

A protestor against U.S. President Donald Trump demonstrates with a large balloon reading "Your VOTE is the only antidote" outside the fourth U.S. Democratic presidential candidates 2020 election debate at Otterbein University in Westerville, Ohio U.S. October 15, 2019. REUTERS/Aaron Josefczyk

A protester holds a sign that says "The antidote is in the streets" during a protest against the Attorney General for his alleged links to the Odebrecht scandal in Bogota, Colombia, January 11, 2019. REUTERS/Luisa Gonzalez

The mother of a baby suspected of dying from Ebola, cries outside a hospital in Beni, North Kivu Province of Democratic Republic of Congo, December 15, 2018. REUTERS/Goran Tomasevic

The mother of a baby suspected of dying from Ebola, cries outside a hospital in Beni, North Kivu Province of Democratic Republic of Congo, December 15, 2018. REUTERS/Goran Tomasevic

A healthcare worker holds washed parts of protective gear at a transit centre in Beni, North Kivu Province of Democratic Republic of Congo, December 15, 2018. REUTERS/Goran Tomasevic

A healthcare worker holds washed parts of protective gear at a transit centre in Beni, North Kivu Province of Democratic Republic of Congo, December 15, 2018. REUTERS/Goran Tomasevic

A wheelchair used by patients with kidney failure is seen at a dialysis centre at a hospital in the Red Sea port city of Hodeidah, Yemen November 28, 2018. Picture taken November 28, 2018. REUTERS/Abduljabbar Zeyad

An Egyptian doctor makes a test during an unprecedented campaign that aims to test 50 million people to detect and treat hepatitis C patients in a bid to eliminate the disease by 2022, in Cairo, Egypt November 11, 2018. Picture taken November 11, 2018. REUTERS/Mohamed Abd El Ghany

A physically disabled protester on a wheelchair takes part in a demonstration marking the International Day of Persons with Disabilities, in Athens, Greece December 3, 2018. REUTERS/Costas Baltas

A medical worker draws blood from a woman for an HIV test during an event to raise awareness on World AIDS Day, in Kunming, Yunnan province, China December 1, 2018. REUTERS/Wong Campion

A migrant man, part of a caravan of thousands traveling from Central America en route to the United States, receives vaccination for influenza A H1N1 in a makeshift camp in Mexico City, Mexico, November 15, 2018. REUTERS/Ueslei Marcelino

A pot containing a urine bag is pictured at an obstetric fistula repair centre in Maiduguri, Nigeria August 1, 2018. Picture taken August 1, 2018. REUTERS/Afolabi Sotunde

A patient lies on a bed as she recovers at an obstetric fistula repair centre in Maiduguri, Nigeria July 31, 2018. Picture taken July 31, 2018. REUTERS/Afolabi Sotunde

Used blister packets that contained medicines, tablets and pills are seen, in this picture illustration taken June 30, 2018. REUTERS/Russell Boyce/Illustration

Used blister packets that contained medicines, tablets and pills are seen, in this picture illustration taken June 30, 2018. REUTERS/Russell Boyce/Illustration

Used blister packets that contained medicines, tablets and pills are seen, in this picture illustration taken June 30, 2018. REUTERS/Russell Boyce/Illustration

An ancient medicine is displayed in "St. Maria della Scala" pharmacy, known as a pharmacy of the Pope, in Rome, Italy, May 26, 2018. REUTERS/Alessandro Bianchi

Ancient medicines are displayed in "St. Maria della Scala" pharmacy, known as a pharmacy of the Pope, in Rome, Italy May 26, 2018. REUTERS/Alessandro Bianchi

Plants used in traditional medicines are seen on sale at a market in Durban, South Africa, May 25, 2018. REUTERS/Rogan Ward

Pharmacy shop signs are seen in Valletta, Malta May 22, 2018. REUTERS/Darrin Zammit Lupi

A pharmacy shop sign is seen in Valletta, Malta May 22, 2018. REUTERS/Darrin Zammit Lupi

Traditional medicines cook at Khuong Vien traditional medical shop in Hanoi, Vietnam May 22, 2018. REUTERS/Kham

Boxes containing traditional medicines are seen at Khuong Vien traditional medical shop in Hanoi, Vietnam May 22, 2018. REUTERS/Kham

A World Health Organization (WHO) worker prepares to administer a vaccination during the launch of a campaign aimed at beating an outbreak of Ebola in the port city of Mbandaka, Democratic Republic of Congo May 21, 2018. REUTERS/Kenny Katombe

A World Health Organization (WHO) worker prepares to administer a vaccination during the launch of a campaign aimed at beating an outbreak of Ebola in the port city of Mbandaka, Democratic Republic of Congo May 21, 2018. REUTERS/Kenny Katombe

Nicanor Parra, the Chilean artist and writer who described himself as an "antidote," is seen during the celebration of his 100th birthday at his house in Las Cruces coastal town, Chile September 5, 2014. Picture taken September 5, 2014. REUTERS/Ivan Alvarado

A woman holds marijuana for sale at the MedMen store in West Hollywood, California U.S. January 2, 2018. REUTERS/Lucy Nicholson

A woman is vaccinated during a campaign of vaccination against yellow fever in Rio de Janeiro, Brazil, March 25, 2017. REUTERS/Ricardo Moraes

Doctors perform neurosurgery in Los Angeles, California, U.S. on May 26, 2016. REUTERS/Lucy Nicholson

An employee sorts freshly harvested cannabis buds at a medical marijuana plantation in northern Israel March 21, 2017. Picture taken March 21, 2017. REUTERS/Nir Elias

Harvested cannabis buds are seen at a medical marijuana plantation in northern Israel March 21, 2017. Picture taken March 21, 2017. REUTERS/Nir Elias

Young cannabis plants are seen at a medical marijuana plantation in northern Israel March 21, 2017. Picture taken March 21, 2017. REUTERS/Nir Elias

An employee checks cannabis plants at a medical marijuana plantation in northern Israel March 21, 2017. Picture taken March 21, 2017. REUTERS/Nir Elias

Young cannabis plants are seen at a medical marijuana plantation in northern Israel March 21, 2017. Picture taken March 21, 2017. REUTERS/Nir Elias

An employee prepares medical marijuana joints at a plantation in northern Israel March 21, 2017. Picture taken March 21, 2017. REUTERS/Nir Elias

An employee sweeps bits of harvested cannabis on the floor at a medical marijuana plantation in northern Israel March 21, 2017. Picture taken March 21, 2017. REUTERS/Nir Elias

Training equipments are seen at a spinal cord injury rehabilitation centre in Douma, the main rebel-stronghold in eastern Ghouta on the outskirts of Damascus, Syria, February 14, 2017. REUTERS/Bassam Khabieh SEARCH "SPINE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A person pours a pepper spray antidote into a protester's eyes during a protest against the building of a pipeline near the Standing Rock Indian Reservation near Cannonball, North Dakota, U.S., November 2, 2016. REUTERS/Stephanie Keith/File Photo SEARCH "DOCUMENTING STANDING ROCK NIGHT" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

A leech in quarantine is seen in a jar at the Ricarimpex laboratory in Eysines, Southwestern France, July 22, 2016. The leech, Hirudo medicinalis, is an invertebrate 3 cm long in adulthood which after being considered indispensable in the 19th century to cure many affections such as osteoarthritis, phlebitis, tension, then fell in desuetude while it harboured qualities that made it indispensable today in plastic surgery. Picture taken July 22, 2016. REUTERS/Regis Duvignau TPX IMAGES OF THE DAY

A variety of medicinal marijuana buds in jars are pictured at Los Angeles Patients & Caregivers Group dispensary in West Hollywood, California U.S., October 18, 2016. REUTERS/Mario Anzuoni/File Photo

A person pours a pepper spray antidote into a protester's eyes during a protest against the building of a pipeline near the Standing Rock Indian Reservation near Cannonball, North Dakota, U.S. November 2, 2016. REUTERS/Stephanie Keith TPX IMAGES OF THE DAY

A person pours a pepper spray antidote into a protester's eyes during a protest against the building of a pipeline near the Standing Rock Indian Reservation near Cannonball, North Dakota, U.S. November 2, 2016. REUTERS/Stephanie Keith

A person pours a pepper spray antidote into a protester's eyes during a protest against the building of a pipeline near the Standing Rock Indian Reservation near Cannonball, North Dakota, U.S. November 2, 2016. REUTERS/Stephanie Keith

Wang takes her medicine at the accommodation where some patients and their family members stay while seeking medical treatments in Beijing, China, June 23, 2016. Wang, who suffers from cervical cancer, came from Inner Mongolia to seek treatment at a specialist hospital in Beijing. REUTERS/Kim Kyung-Hoon SEARCH "HOSPITAL ACCOMMODATION" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

A man shows medicine to an Indian policeman after he was stopped by the police during a curfew in Srinagar July 15, 2016. REUTERS/Danish Ismail

A man removes medicine inside the Medecins Sans Frontieres (MSF)-backed al-Quds hospital after it was hit by airstrikes, in a rebel-held area of Syria's Aleppo, April 28, 2016. REUTERS/Abdalrhman Ismail

A man removes medicine inside al-Quds hospital after it was hit by airstrikes, in a rebel-held area of Syria's Aleppo, April 28, 2016. REUTERS/Abdalrhman Ismail

Amoxicillin penicillin antibiotics are seen in the pharmacy at a free medical and dental health clinic in Los Angeles, California, U.S., April 27, 2016. REUTERS/Lucy Nicholson

U.S. President Barack Obama waves as he arrives to participate in a panel discussion as part of the White House Precision Medicine Initiative (PMI) Summit in Washington February 25, 2016. REUTERS/Carlos Barria

U.S. President Barack Obama arrives to participate in a panel discussion as part of the White House Precision Medicine Initiative (PMI) Summit in Washington February 25, 2016. REUTERS/Carlos Barria

U.S. President Barack Obama participates in a panel discussion as part of the White House Precision Medicine Initiative (PMI) Summit in Washington February 25, 2016. REUTERS/Carlos Barria

U.S. President Barack Obama (C) participates in a panel discussion as part of the White House Precision Medicine Initiative (PMI) Summit in Washington February 25, 2016. REUTERS/Carlos Barria

U.S. President Barack Obama participates in a panel discussion as part of the White House Precision Medicine Initiative (PMI) Summit in Washington February 25, 2016. REUTERS/Carlos Barria

A pharmacy employee arranges medicine at a shelf in a drugstore in Caracas, February 23, 2016. REUTERS/Marco Bello

Pope Francis gives medicine to a young patient while visiting pediatric hospital "Federico Gomez" in Mexico City, February 14, 2016. REUTERS/Max Rossi

Japan's Kei Nishikori applies eye drops during his fourth round match against France's Jo-Wilfried Tsonga at the Australian Open tennis tournament at Melbourne Park, Australia, January 24, 2016. REUTERS/Jason Reed