Vaccines are among the most powerful inventions in history, making once-feared diseases preventable. With continued research, investment and collaboration, we can save millions more lives today and in the next 50 years. #HumanlyPossible #WorldImmunizationWeek pic.twitter.com/HqBG6ABYuf

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

Vaccines are one of the greatest public health interventions of the 20th century, second only to clean water in their impact on human health. For #WorldImmunizationWeek, learn more about the role of #vaccines in advancing healthier societies in a blog by our Chief Medical… pic.twitter.com/G6LGKhSfib