Actress Dorothy Tutin having an anti-flu injection, 1969

How Scientists Tried to Find a Universal Flu Vaccine

The quest to “conquer” influenza with a shot that could be used every year started out with high hopes, and ended up a hot mess.
Care homes group managing director Mary Anson receives the Covid-19 vaccine as the Royal Cornwall Hospital begin their vaccination programme on December 9, 2020 in Truro, United Kingdom

The COVID-19 Vaccines Arrived at Warp Speed

Are they safe if they were developed so quickly? Research-backed answers to your virus questions.
Richard P. Strong

The Deadly Bilibid Prison Vaccine Trials

In 1906, physician Richard Strong's already-unethical vaccine experiment went horribly wrong. Then it was swept under the rug.
A hand holding coarse dry ice pellets

Dry Ice Will Help Keep COVID-19 Vaccines Cold

A brief history of dry ice, aka solid carbon dioxide, shows why some coronavirus vaccines will benefit from its use.
A nurse applies a vaccine in Caracas, Venezuela in March, 2020

How Will a Coronavirus Vaccine Work?

Four different ways researchers use the virus's own structure to train our immune systems to exterminate it.
Lady Montagu in Turkish dress, circa 1756

Before Vaccines, Variolation Was Seriously Trendy

Lady Mary Wortley Montagu is credited with popularizing variolation among the aristocracy in England.
The ship María Pita departing from Coruña in 1803, engraved by Francisco Pérez

How Children Took the Smallpox Vaccine around the World

In 1803, nearly two dozen orphan boys endured long voyages and physical discomfort to transport the smallpox vaccine to Spain's colonies.
An illustration of a syringe and a microscope

The Measles Might Make Your Body “Forget” Its Own Immunity

Scientists have found that sometimes people infected with measles later develop "immune amnesia": their bodies don't remember being sick, even with other viruses.
Child getting a vaccine

Who Chooses Not to Vaccinate Their Children?

Vaccinations have always been political. But in this day and age, why do certain subsets of well-off parents choose not to vaccinate their children?
Victorian era dog

The Victorian Debate Over Rabies

Rabies began a contentious debate between Victorian pet owners and veterinary experts about how to regulate dog health. Rough.