A man who said that vaccines are not necessary, due to a cottage remedy he was promoting, smokes a cigarette near another group demanding action over the coronavirus disease (COVID-19) outbreak at the Sienna St. George long term care home in Toronto, Ontario, Canada January 10, 2021. REUTERS/Chris Helgren

A man who said that vaccines are not necessary, due to a cottage remedy he was promoting, smokes a cigarette near another group demanding action over the coronavirus disease (COVID-19) outbreak at the Sienna St. George long term care home in Toronto, Ontario, Canada January 10, 2021. REUTERS/Chris Helgren TPX IMAGES OF THE DAY

A pharmacist produces natural remedies at Pharmamed's facilities in Travnik, Bosnia and Herzegovina October 15, 2020. Picture taken October 15, 2020. REUTERS/Dado Ruvic

A pharmacist produces natural remedies at Pharmamed's facilities in Travnik, Bosnia and Herzegovina October 15, 2020. Picture taken October 15, 2020. REUTERS/Dado Ruvic

A pharmacist produces natural remedies at Pharmamed's facilities in Travnik, Bosnia and Herzegovina October 15, 2020. Picture taken October 15, 2020. REUTERS/Dado Ruvic

Jars of lion droppings, which Circus Krone sells amid the coronavirus disease (COVID-19) pandemic, are displayed in Munich, Germany, August 10, 2020. Circus Krone is selling the product to be used as a household remedy to keep other wild animals away and sales should make up for the financial losses the circus suffered during the Corona crisis. REUTERS/Michael Dalder

Lion tamer Martin Lacey poses with a glass of lion droppings, which Circus Krone sells amid the coronavirus disease (COVID-19) pandemic, in Munich, Germany, August 10, 2020. Circus Krone is selling the product to be used as a household remedy to keep other wild animals away and sales should make up for the financial losses the circus suffered during the Corona crisis. REUTERS/Michael Dalder

Lion tamer Martin Lacey poses with a glass of lion droppings, which Circus Krone sells amid the coronavirus disease (COVID-19) pandemic, in Munich, Germany, August 10, 2020. Circus Krone is selling the product to be used as a household remedy to keep other wild animals away and sales should make up for the financial losses the circus suffered during the Corona crisis. REUTERS/Michael Dalder

Lion tamer Martin Lacey brushes Lion King Tonga, amid the coronavirus disease (COVID-19) pandemic, in Munich, Germany, August 10, 2020. Circus Krone is selling lion dropping in jars to be used as a household remedy to keep other wild animals away. The product's sales should make up for the financial losses the circus suffered during the Corona crisis. REUTERS/Michael Dalder

Lion tamer Martin Lacey poses with Lion King Tonga and a glass of lion droppings, which Circus Krone sells amid the coronavirus disease (COVID-19) pandemic, in Munich, Germany, August 10, 2020. Circus Krone is selling the product to be used as a household remedy to keep other wild animals away and sales should make up for the financial losses the circus suffered during the Corona crisis. REUTERS/Michael Dalder

Lion tamer Martin Lacey poses with Lion King Tonga and a glass of lion droppings, which Circus Krone sells amid the coronavirus disease (COVID-19) pandemic, in Munich, Germany, August 10, 2020. Circus Krone is selling the product to be used as a household remedy to keep other wild animals away and sales should make up for the financial losses the circus suffered during the Corona crisis. REUTERS/Michael Dalder

Lion tamer Martin Lacey poses with Lion King Tonga and a glass of lion droppings, which Circus Krone sells amid the coronavirus disease (COVID-19) pandemic, in Munich, Germany, August 10, 2020. Circus Krone is selling the product to be used as a household remedy to keep other wild animals away and sales should make up for the financial losses the circus suffered during the Corona crisis. REUTERS/Michael Dalder

A healthcare worker holds a packet of hydroxychloroquine sulfate, azitrophar and chloroquine diphosphate, which some doctors have been distributing to people who have tested positive for COVID-19, as part of a remedy kit for treatment, at the riverside community Santo Ezequiel Moreno, as healthcare workers travel to riverside communities during the coronavirus disease (COVID-19) outbreak, in the municipality of Portel, at Marajo island, Para state, Brazil, June 5, 2020. REUTERS/Ueslei Marcelino SEARCH "COVID-19 BRAZIL AMAZON" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), wears a protective face mask as he arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. At R, Member of Parliament Eric Ciotti. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), is surrounded by journalists as he arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), is surrounded by journalists as he arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), is surrounded by journalists as he arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), is surrounded by journalists as he arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), wears a protective face mask as he arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. At R, Member of Parliament Eric Ciotti. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), wears a protective face mask as he arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. At R, Member of Parliament Eric Ciotti. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), wears a protective face mask as he arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. At R, Member of Parliament Eric Ciotti. REUTERS/Gonzalo Fuentes

French medicine professor Didier Raoult, who has promoted a combination of hydroxychloroquine, an antimalarial drug, and azithromycin, a common antibiotic, as a remedy for the coronavirus disease (COVID-19), wears a protective face mask as he arrives to attend a hearing at the National Assembly in Paris, France, June 24, 2020. At R, Member of Parliament Eric Ciotti. REUTERS/Gonzalo Fuentes

A seller works in the sale of the Amazonian herbal remedies at the river market Ver-o-Peso, amid the coronavirus disease (COVID-19) outbreak, in Belem, Brazil, June 16, 2020. Picture taken June 16, 2020. REUTERS/Ueslei Marcelino

General view of sale of the Amazonian herbal remedies at the river market Ver-o-Peso, amid the coronavirus disease (COVID-19) outbreak, in Belem, Brazil, June 16, 2020. Picture taken June 16, 2020. REUTERS/Ueslei Marcelino

General view of sale of the Amazonian herbal remedies at the river market Ver-o-Peso, amid the coronavirus disease (COVID-19) outbreak, in Belem, Brazil, June 16, 2020. Picture taken June 16, 2020. REUTERS/Ueslei Marcelino

A seller works in the sale of the Amazonian herbal remedies at the river market Ver-o-Peso in Belem, Brazil, June 16, 2020. Picture taken June 16, 2020. REUTERS/Ueslei Marcelino

A seller works in the sale of the Amazonian herbal remedies at the river market Ver-o-Peso in Belem, Brazil, June 16, 2020. Picture taken June 16, 2020. REUTERS/Ueslei Marcelino

A seller know as Beth Cheirosinha works in the sale of the Amazonian herbal remedies at the river market Ver-o-Peso, amid the coronavirus disease (COVID-19) outbreak, in Belem, Brazil, June 16, 2020. Picture taken June 16, 2020. REUTERS/Ueslei Marcelino

A seller know as Beth Cheirosinha works in the sale of the Amazonian herbal remedies at the river market Ver-o-Peso, amid the coronavirus disease (COVID-19) outbreak, in Belem, Brazil, June 16, 2020. Picture taken June 16, 2020. REUTERS/Ueslei Marcelino

A seller know as Beth Cheirosinha works in the sale of the Amazonian herbal remedies at the river market Ver-o-Peso, amid the coronavirus disease (COVID-19) outbreak, in Belem, Brazil, June 16, 2020. REUTERS/Ueslei Marcelino

Qian Wang, an endoscopy nurse who has been floating between various units including the ICU, telemetry, and COVID-19 units, poses for a portrait at the Swedish Medical Center Issaquah campus during the coronavirus disease (COVID-19) outbreak, in Issaquah, Washington, U.S. April 21, 2020. "A smile is the strongest anti-viral. It can travel farther than six feet. Let’s spread this remedy to everyone we meet," she says. REUTERS/David Ryder

General view of a sign outside Neal's Yard Remedies at Liverpool Street Station during rush hour as the number of coronavirus cases grow around the world. London, Britain, March 17, 2020. REUTERS/Hannah McKay

A man who works as a miner chews coca leaves in La Rinconada, the Andes, Peru, October 5, 2019. Coca leaves are often used as a remedy to ward off altitude sickness. REUTERS/Nacho Doce SEARCH "WOMEN GOLD PICKERS FEMICIDE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Southeast Asian Games - Aquatics Swimming - Women's 200m Butterfly - Final - New Clark City Aquatic Center, Clark, Philippines - December 4, 2019 Philippines' Rule Remedy Alexis in action REUTERS/Soe Zeya Tun

Southeast Asian Games - Aquatics Swimming - Women's 200m Butterly - Final - New Clark City Aquatic Center, Clark, Philippines - December 4, 2019 Rule Remedy Alexis of the Philippines in action REUTERS/Jeremy Lee

A Palestinian man uses herbal remedies he bought from an apothecary shop to treat foot inflammation, in his home in Tubas in the Israeli-occupied West Bank September 23, 2019. Picture taken September 23, 2019. REUTERS/Raneen Sawafta

A Palestinian apothecary prepares herbal remedies that some people use to treat their ailments, in a store in Nablus in the Israeli-occupied West Bank September 23, 2019. Picture taken September 23, 2019. REUTERS/Raneen Sawafta

A Palestinian apothecary shows herbal remedies to a man that some people use to treat their ailments, in a store in Nablus in the Israeli-occupied West Bank September 23, 2019. Picture taken September 23, 2019. REUTERS/Raneen Sawafta

A Palestinian apothecary prepares herbal remedies that some people use for their ailments, in a store in Nablus in the Israeli-occupied West Bank September 23, 2019. Picture taken September 23, 2019. REUTERS/Raneen Sawafta

A Palestinian man tries herbal remedies that some people use to treat their ailments, in an apothecary store in Nablus in the Israeli-occupied West Bank October 1, 2019. Picture taken October 1, 2019. REUTERS/Raneen Sawafta

A Palestinian apothecary prepares herbal remedies that some people use to treat their ailments, in a store in Nablus in the Israeli-occupied West Bank October 1, 2019. Picture taken October 1, 2019. REUTERS/Raneen Sawafta

A Palestinian man uses herbal remedies he bought from an apothecary shop to treat foot inflammation, in his home in Tubas in the Israeli-occupied West Bank September 23, 2019. Picture taken September 23, 2019. REUTERS/Raneen Sawafta

A Palestinian man uses herbal remedies he bought from an apothecary shop to treat foot inflammation, in his home in Tubas in the Israeli-occupied West Bank September 23, 2019. Picture taken September 23, 2019. REUTERS/Raneen Sawafta

A Palestinian apothecary prepares herbal remedies that some people use to treat their ailments, in a store in Nablus in the Israeli-occupied West Bank September 23, 2019. Picture taken September 23, 2019. REUTERS/Raneen Sawafta

A Palestinian apothecary prepares herbal remedies that some people use to treat their ailments, in a store in Nablus in the Israeli-occupied West Bank October 1, 2019. Picture taken October 1, 2019. REUTERS/Raneen Sawafta

A Palestinian apothecary prepares herbal remedies that some people use to treat their ailments, in a store in Nablus in the Israeli-occupied West Bank September 23, 2019. Picture taken September 23, 2019. REUTERS/Raneen Sawafta

Swimming - 18th FINA World Swimming Championships - Women's 100m Butterfly Heats - Nambu University Municipal Aquatics Center, Gwangju, South Korea - July 21, 2019. Amina Kajtaz of Bosnia, Remedy Pule of the Philippines and Isabella Paez of Venezuela compete. REUTERS/Stefan Wermuth

Larry Johnson, whose home is eligible for court-ordered remediation, sits on the porch of his home, which is in need of lead-based paint removal in San Lorenzo, California, U.S. June 18, 2019. Picture taken June 18, 2019. To match Special Report USA-LEAD/CALIFORNIA. REUTERS/Kate Munsch

Larry Johnson, whose home is eligible for court-ordered remediation, holds a sample of lead paint from his home in San Lorenzo, California, U.S. June 19, 2019. Picture taken June 19, 2019. To match Special Report USA-LEAD/CALIFORNIA. REUTERS/Kate Munsch

A flood remediation project underway in the eastern waterfront area, envisioned by Alphabet Inc's Sidewalk Labs as a new technical hub, is seen in the Port Lands district of Toronto, Ontario, Canada April 3, 2019. REUTERS/Chris Helgren

Model Madeline Stuart sits at the Remedy Diner with her mother and manager Rosanne Stuart after walking in a runway show during New York Fashion Week in New York City, U.S., September 6, 2018. REUTERS/Andrew Kelly SEARCH "MODEL MADELINE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. THE IMAGES SHOULD ONLY BE USED TOGETHER WITH THE STORY - NO STAND-ALONE USES

Donkeys used for their milk as a remedy for respiratory diseases, graze in El Alto, in the outskirts of La Paz, Bolivia March 16, 2018. Picture taken May 16, 2018. REUTERS/David Mercado

A man holds a glass of donkey milk to drink as a remedy for respiratory diseases in El Alto, in the outskirts of La Paz, Bolivia March 16, 2018. Picture taken May 16, 2018. REUTERS/David Mercado

A man waits for a glass of donkey milk to drink as remedy for respiratory diseases in El Alto, in the outskirts of La Paz, Bolivia March 16, 2018. Picture taken May 16, 2018. REUTERS/David Mercado