The race to vaccinate the world's elderly

Ellen Prosser, known as Nell, who is 100 years old, receives the Oxford/AstraZeneca COVID-19 vaccine from Dr Nmore

Residents of an assisted living facility dance after receiving their booster shots of the vaccination in Netanmore

A resident of a nursing home holds the hand of a staff worker before receiving a vaccine in Athens, Greece, Jamore

William Mattox, 89, is offered a glass of champagne after receiving the coronavirus vaccine at the Brightwatermore

Nurses greet soldiers arriving with vials of the Pfizer-BioNTech COVID-19 vaccine against the coronavirus disemore

The German armed forces Bundeswehr vaccination team prepares for the Pfizer/BioNTech COVID-19 vaccinations at more

Patients wait in the observation room after receiving the Pfizer-BioNTech COVID-19 vaccine at the care home DRmore

Confetti flies in the air as Jeanne Peters, 95, a rehab patient at The Reservoir, a nursing facility, gesturesmore

Marcie Meek, 88, poses for a photo with a sign referring to herd immunity after receiving the coronavirus vaccmore

Resident Annie Innes, 90, receives the Pfizer/BioNTech COVID-19 vaccine at the Abercorn House Care Home in Hammore

Jello shots in syringes are handed out to residents after they received the coronavirus vaccine at the Brightwmore

Pilar Mazas, 90, resident at the elderly home Ballesol, sits after receiving the second dose of the Pfizer-Biomore

Betty Nelson, 81, who got in line at 6 a.m., reads on her tablet while waiting for a coronavirus vaccine clinimore

Pat Fischer, 94, talks to Marguerite Crockem before receiving the coronavirus vaccine at the Brightwater Seniomore

Seniors, who are 65 and over, wait in line at the Department of Health Sarasota COVID-19 Vaccination Clinic inmore

Doreen Vickers, 83, waits as a health worker fills a syringe with a dose of the Oxford/AstraZeneca COVID-19 vamore

A resident at Hamilton Park Nursing and Rehabilitation, a nursing home facility, receives the coronavirus vaccmore

A elderly woman receives a booster shot of her vaccination against the coronavirus at an assisted living facilmore

Donald Caster, 88, receives the coronavirus vaccine at Mission Commons assisted living community in Redlands, more

Elderly people wait at the newly opened coronavirus vaccination center at the Messe Berlin trade fair grounds more

An elderly people, over 75 years of age, receives a dose of the Pfizer-BioNTech COVID-19 vaccine at a coronavimore

Margaret Keenan, 90, is the first patient in Britain to receive the Pfizer/BioNtech COVID-19 vaccine at Univermore

A healthcare worker of Asl Roma 1 gets ready before starting vaccinations at the Villa Verde elderly care homemore

An elderly woman claps her hands after receiving a vaccine against the coronavirus at a nursing home in Athensmore

A resident receives a dose of the Pfizer-BioNTech COVID-19 vaccine at the Villa Verde elderly care home, in Romore

Belgian Josepha Delmotte, 102, reacts to receive a dose of the Pfizer/BioNtech COVID-19 vaccine at the La Bonnmore

Elfriede Seefeld receives the first of two injections with a dose of the Pfizer-BioNTech COVID-19 vaccine frommore

Staff members applaud as vials of the COVID-19 vaccine are delivered to the La Bonne Maison de Bouzanton care more

Elderly, over 75 years of age, register to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus diseamore

An elderly woman gestures after receiving a vaccine against the coronavirus at a nursing home in Athens, Greecmore