| ★ |  The Logistics of COVID-19 Vaccine Distribution | | 0 | Estados Unidos | |
| 20 |  New flu preventative could outperform vaccines | Science Magazine @sciencemagazine | — | Estados Unidos | 65 |
| 1 |  Cutting America's support for vaccines is a bad idea | | 218.2K | Estados Unidos | 72 |
| 14 |  Les remèdes miracles abandonnés ! 💊 | Science Trash @sciencetrash | 74.9K | Francia | 66 |
| 7 |  Cancer Treatment Breakthrough? Personalized mRNA Vaccine Shows Promise Against Melanoma | | 14.9K | India | 67 |
| 17 |  The Science of Vaccinology - Unlocking the Secrets of Disease Prevention and Immunity | BioTech Whisperer @biotechwhisperer | 2.4K | Estados Unidos | 66 |
| 3 |  World Health Organization rushes 70,000 Ebola vaccines to Democratic Republic of Congo | | 2.0K | Estados Unidos | 69 |
| 10 |  Resist fad vaccination policy from Trump, urges ex-CDC chief | NJ Spotlight News @njspotlightnews | 725 | Estados Unidos | 67 |
| 12 |  How tiny bubbles of fat could revolutionize medicine | Andrew Steele @drandrewsteele | 609 | Alemania | 66 |
| 4 |  Measles vaccination saves nearly 20 million lives across Africa | | 398 | Kenia | 69 |
| 6 |  (S013) COVID-19 Vaccines: Are They Safe? | North Dakota Public Health Training Network @ndphtn | 315 | — | 68 |
| 11 |  (S012) COVID-19 Vaccines: Do They Work? | North Dakota Public Health Training Network @ndphtn | 209 | — | 66 |
| 19 |  The Role of Vaccines in Public Health | Microlearning Daily @microlearningdaily | 174 | Singapur | 66 |
| 18 |  Ask the Expert: Is the Flu Vaccine Effective? | University of Maryland Medical System @universityofmarylandmedica3585 | 127 | Estados Unidos | 66 |
| 8 |  What's In A Vaccine? | The Partnership In Education @thepartnershipineducation | 65 | Estados Unidos | 67 |
| 9 |  Important General Science Questions (MCQs) with Explanations for all Competitive Exam | GK Questions | Competitive Wisdom @competitivewisdom | 39 | India | 67 |
| 2 |  How Are Vaccines Stored and Delivered? | The Partnership In Education @thepartnershipineducation | 30 | Estados Unidos | 69 |
| 13 |  The Future of Vaccines: What to Know in a Changing Landscape | National Urban League @naturbanleague | 27 | — | 66 |
| 15 |  Navigating Vaccines in the Workplace: What Should Your Nonprofit Do? | Nonprofit Leadership Center @nlctb | 3 | — | 66 |