Fifty years ago, @WHO launched the Expanded Programme on Immunization, bringing countries together to provide children everywhere with vaccines. Since then, vaccination has saved an estimated 154 million lives. This #WorldImmunizationWeek is a reminder of the lifesaving power… pic.twitter.com/nmGQYrJvUf

Book your spring COVID-19 vaccine online or via the NHS App if you are eligible. You don't need to wait to be invited. Find out more and book now: nhs.uk/book-vaccine #WorldImmunisationWeek pic.twitter.com/U6qFADKI2A

It's #WorldImmunizationWeek #Immunization is one of humanity's greatest achievements helping to eradicate smallpox and save at least 3 million lives a year. And you’re part of it. By being vaccinated, you’re helping to keep others safe. Now we need your help again. We’re… pic.twitter.com/uwhr95SceX

We announced today a contract with the Ministry of Health in Brazil (@minsaude) to supply our mRNA COVID-19 vaccine as an integral part of Brazil's 2024 national vaccination campaign against COVID-19. Under the contract, 12.5 million doses of our mRNA COVID-19 vaccine are… pic.twitter.com/WQClnVn4TH