In Pictures: COVID-19 vaccines roll out around the world

UPS employees move one of two shipping containers of the Pfizer COVID-19 vaccine on ramp at Louisville Muhammad Ali International Airport in Louisville, Kentucky.

Israeli Prime Minister Benjamin Netanyahu attends the arrival of a DHL plane carrying a first batch of Pfizer/BioNTech COVID-19 vaccine at Ben Gurion Airport near Tel Aviv, Israel.

A general view of a vaccination centre at the Festhalle in Frankfurt, Germany.

A Canada Border Services Agency (CBSA) officer checks paperwork of a UPS driver carrying a load of Pfizer/BioNTEch COVID-19 vaccines at a border crossing in British Columbia, Canada.

A box of Pfizer/BioNTEch COVID-19 vaccine is delivered from a UPS truck past news photographers to the Maimonides long term care home in Montreal, Quebec, Canada.

UPS staff member scans boxes of Pfizer COVID-19 vaccines for shipping to Canada from the UPS Cologne Air Hub in Germany.

Richard Guarino, BMC Supply Chain Operations Associate Director, delivers Pfizer's coronavirus vaccine to the pharmacy at Boston Medical Center in Boston, Massachusetts

Pharmacy technicians received a delivery of Pfizer coronavirus vaccines at UW Health in Madison, Wisconsin.

Patients enter the surgery to receive the first of two injections with a dose of the Pfizer-BioNTech COVID-19 vaccine in a surgery in Wolverhampton, Britain.

Physician Luisa Vera reacts after receiving the Pfizer-BioNTech coronavirus vaccine at Indiana University Health, Methodist Hospital in Indianapolis, Indiana.

Nurse Debelyn Leach receives the Pfizer-BioNTech coronavirus disease vaccine at Brigham and Women's Hospital in Boston, Massachusetts, U.S.

Margaret Keenan, 90, is the first patient in Britain to receive the Pfizer/BioNtech COVID-19 vaccine at University Hospital, administered by nurse May Parsons, at the start of the largest ever immunization program in British history, in Coventry, Britain.

Kayla Johnson, a registered nurse at Boston Medical Center, prepares a coronavirus vaccine for respiratory therapist Benjamin Fuertes at Boston Medical Center in Boston, Massachusetts

A Saudi man gets a dose of a coronavirus vaccine, in Riyadh, Saudi Arabia.

Personal support worker Johanne Lamesse reacts in anticipation to the needle as she receives the Pfizer-BioNTech COVID-19 vaccine at the Civic Hospital in Ottawa, Ontario, Canada.