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A clinical trial is enrolling colorectal cancer patients to see whether a personalized mRNA vaccine can prevent their cancer from coming back.
Vaccines
Overview
These world-changing medical technologies use our body's natural defense systems to protect us against disease and sickness. Check out the internet's best resources on the history of vaccines, how they're developed, and much more.
1440 Findings
Hours of research by our editors, distilled into minutes of clarity.
How the Johnson & Johnson COVID-19 vaccine works
An adenovirus helps prime the immune system to fight the coronavirus.
How the Pfizer COVID-19 vaccine works
Two shots can prime the immune system to fight the coronavirus.
A 1954 outbreak at a Boston boarding school allowed scientists to isolate the measles virus
While measles was described as early as the 9th century, humanity lacked the medical technology to fight the disease until the mid-20th century. Vaccine development from the Boston outbreak in the 1960s and 1970s led to one of the most effective inoculation campaigns in history.
A quick video on how your immune system works
Explore how your immune system’s vast network of cells, tissues, and organs coordinate your body’s defenses against bacteria, viruses and toxins with this 5-minute TED talk video.
What is the immune system? A quick 101
Your body’s immune system is designed to protect you from infection. Find out more about how the immune system works with this quick overview and set of diagrams.
A timeline of vaccine development
See this infographic timeline of more than 1,000 years of scientific breakthroughs in the history of vaccine development.
How the Moderna COVID-19 vaccine works
Two shots can prime the immune system to fight the coronavirus.
Herd immunity works by slowing down viral transmission until it dies out
Herd immunity refers to a population whose vaccination rates against a given virus are high enough that transmission dies out before the bug can find the next unvaccinated person to infect. Rates needed to achieve this depend on how contagious a virus is. This video gives a quick visual explanation of how it works.
A heatmap showing the drop in infectious diseases post-vaccine deployment
The number of infected people, measured over 70-some years and across all 50 states and the District of Columbia, declined significantly after vaccines were introduced.
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