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

Double-tap if you believe in the power of vaccines. Let's spread immunity, not diseases! . . #NationalImmunizationWeek pic.twitter.com/nBNi6geiTU

Our Chief Scientist Isabel Oliver makes the case for industry, academic and global teamwork in vaccine R&D for pandemic preparedness. 🤝🔗 Find out more in today's New Scientist #WorldImmunisationWeek (@isaperena) pic.twitter.com/HoXQaz7HtF

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