Jan. 30: Children wear plastic bottles as makeshift masks while waiting to check in for a flight at the Beijing Capital Airport. The number of coronavirus cases at this point was more than 7,000 in mainland China.

Feb. 6: A shopper sorts items in her cart as she stands next to bare supermarket shelves, usually stocked with toilet paper and paper towels, in Hong Kong. Panicked buyers descended on supermarkets to snap up toilet paper after claims of shortages.

Feb. 26: A nurse adjusts his goggles in an intensive care unit treating coronavirus patients at a hospital in Wuhan, China.

March 3: Coronavirus patients in Wuhan line up as they wait to be transferred to one of two field hospitals built in under two weeks specifically for those infected with the virus.

March 8: A woman gestures from aboard the coronavirus-stricken Grand Princess cruise ship as it maintains a holding pattern off the coast of San Francisco. Three days later, on March 11, the World Health Organization declared the coronavirus outbreak a pandemic.

March 22: The Rev. Giuseppe Corbari, a priest in the village of Robbiano, Italy, near Milan, celebrates Mass in front of photos of his congregation attached to empty pews. The priest appealed to parishioners to send him selfies so he wouldn’t be alone when celebrating Mass.

March 24: Gonzaga Yiga, a 49-year-old community chairman, makes an appeal to residents through a megaphone from the tallest building in Kampala, Uganda. Yiga takes his perch every morning and evening to explain how the coronavirus spreads and how to avoid it.

March 26: Medical workers step outside Elmhurst Hospital Center in the Queens borough of New York City. Elmhurst reported 13 deaths from coronavirus in a 24-hour span earlier that week.

March 26: A police officer chases street vendors in Kampala, Uganda, after the president directed the public to shelter in place for 32 days to curb the spread of the coronavirus.

March 26: French opera singer Stéphane Sénéchal performs the song “O Sole Mio” from his window in Paris.

April 1: From a platform of the Gare d’Austerlitz train station in Paris, a medical worker looks through the window of a medicalized TGV high-speed train before its evacuation of coronavirus patients. Patients were transferred from Paris’s hospitals to those in the Brittany region of western France, where the outbreak has so far been limited.

April 2: Protective masks bearing the names of medical workers are pinned to a wall at a field hospital for coronavirus patients in Cremona, Italy.

April 3: A temporary hospital for COVID-19 patients is set up at a convention center in Madrid.

April 3: Elderly women try to keep up social distancing as they wait to enroll in government social-aid programs in Ozumba, Mexico.

April 6: Medics intubate a patient with COVID-19 symptoms at his home in Yonkers, New York. The man, 92, was barely breathing when they arrived.

April 10: Health care workers mourn their co-worker, a nurse who died of COVID-19, at Severo Ochoa Hospital in Leganes, Spain.

April 14: Brazilian World War II veteran Ermando Armelino Piveta, 99, is discharged from the Armed Forces Hospital in Brasilia after being treated for COVID-19. “Winning this battle was for me bigger than winning the war,” he said.

April 15: Municipal workers in Arequipa, the second-largest city in Peru, scrub the streets surrounding a market—a sanitary measure to fight the spread of the coronavirus.

April 16: A man being tested for COVID-19 reacts as a medical worker takes a swab sample in Wuhan.

April 19: Health care workers stand in the street in counterprotest to hundreds of people who gathered at the state Capitol in Denver to demand that stay-at-home orders be lifted.

April 24: Alisha Narvaez, a manager at International Funeral & Cremation Services, transports a body to the funeral home in the Harlem neighborhood of New York City.

April 29: A visitor talks to a resident at Les Jardins d’Astrid, an assisted-living facility in Maurage, La Louvière, Belgium.

May 5: U.S. President Donald Trump, sans mask, tours a factory that produces N95 masks in Phoenix.

May 5: A man walks past banners depicting spectators in the stands prior to South Korea’s new baseball season opening game in Incheon.

May 17: Nurses assigned to the Infectious Diseases Unit at Kenyatta University Hospital practice dance moves during a Zumba class at the hospital compound in Nairobi.

May 18: Stella Nyanzi, a prominent Ugandan activist and government critic, is arrested by police officers in Kampala during a protest she organized calling for more food distributions by the government to people who have been struggling amid the nationwide lockdown.

May 20: Patrick Hand adds crosses to the 2,000 already on the walls of Balally Parish’s Church of the Ascension of the Lord in Dublin. Each cross represents a victim of the coronavirus in Ireland and Northern Ireland.

May 21: A woman sunbathes in a roped-off zone on the beach in La Grande Motte, southern France, as the nation eased lockdown measures.

May 22: People gather inside painted circles on the grass, which encourage social distancing, at Dolores Park in San Francisco.

May 25: Health care workers—including one (center) holding a sign that reads “14% of healthcare workers in Madrid are infected”—protest outside the Gregorio Marañón Hospital in Madrid, calling for a reinforced health care system.

June 10: Following a socially distanced graduation ceremony, high school seniors and their families watch fireworks at the Bahrain International Circuit car racing track in Sakhir.

June 14: A supporter of Brazilian President Jair Bolsonaro speaks to a soldier as she takes part in a protest against the coronavirus lockdown outside the army headquarters in Brasilia.

June 16: A protester is hit by a police water cannon during a demonstration in Nantes, France, as part of a nationwide day of protests to demand better working conditions for health care workers.

June 22: Gravediggers work at the municipal cemetery in Santa Tecla, El Salvador.

July 8: A worker pastes portraits of health care workers on the facade of the Opera Bastille in Paris—an initiative to pay tribute to caregivers on the front lines of the pandemic.

July 15: Chilean lawmaker Pamela Jiles runs through congress wearing a pink cape and waving matching fans to celebrate passage in the lower house of a coronavirus emergency aid measure in Valparaiso, Chile.

Aug. 4: A teacher wearing a biosecurity suit as a preventive measure against the spread of the virus works with a girl at a home in Cali, Colombia, as part of a local kindergarten’s teacher at home program implemented to help children keep in touch with teachers and reduce the emotional impact of isolation.

Sept. 28: Isolating students peer out of their window as they are interviewed by a television crew in Manchester, England. Around 1,700 students across two student housing blocks were told to self-quarantine for 14 days after more than 100 students tested positive for the coronavirus.

Oct. 4: White House Chief of Staff Mark Meadows rubs his head as U.S. Navy Commander Sean Conley, the White House physician, speaks to the media about Trump’s health after the president was hospitalized with COVID-19 at Walter Reed National Military Medical Center in Bethesda, Maryland.

Oct. 5: Trump removes his face mask as he arrives at the White House in Washington upon his return from Walter Reed, where he underwent treatment for COVID-19.

Oct. 16: Dana Clark and her 18-month-old son, Mason, wait in line at City Hall in New Orleans as early voting begins for the U.S. presidential election. Clark said she donned the protective plastic cover because she didn’t know how many people would be wearing masks in line, and her child doesn’t have one. She also works as a teacher and wanted to take precautions for her students’ sakes.

Nov. 11: A resident (left) of the Domenico Sartor nursing home in Castelfranco Veneto, near Venice, Italy, hugs her visiting daughter through a plastic barrier in a Hug Room.

Nov. 14: Cars line up for coronavirus testing in the parking lot of Dodger Stadium in Los Angeles. After California passed 1 million coronavirus cases, a travel advisory was issued urging a two-week quarantine for those arriving from other states or countries.

Nov. 26: Dr. Joseph Varon comforts a patient in the COVID-19 intensive care unit at United Memorial Medical Center in Houston on Thanksgiving.

Dec. 6: Santa chats with a visiting child through a plastic barrier in Seattle.

Dec. 8: Nurse May Parsons administers the Pfizer/BioNtech COVID-19 vaccine to 90-year-old Margaret Keenan at University Hospital in Coventry, central England, making Keenan the first person to receive the vaccine in the country’s biggest immunization program.

Dec. 16: Health care workers turn a patient from their stomach onto their back in the COVID-19 intensive care unit at Renown Regional Medical Center in Reno, Nevada.