Vaccines

Nine out of 10 malaria victims live in Africa, most of them children under the age of five.

West African Scientists Are Leading the Science Behind a Malaria Vaccine

Researchers in Mali have been working for decades on the treatment that's now in the final phase of clinical trials

The letter sheds light on Jenner's beliefs about the use of cowpox and horsepox in vaccination.

Letter From 'Father of Vaccination' Edward Jenner Sold at Auction

Jenner wrote that new research 'put a stop to the sneers' of 'little minded persons'

Part of a clinical study called Project S, a small town in Brazil set out to vaccinate its entire adult population. With 95% of adults vaccinated, the city has seen a steep decline in Covid-19 cases, hospitalizations and deaths.

Mass Vaccination Success in This Small Brazil City Shows Promise of Low-Efficacy Vaccines

In Serrana, 95 percent of adults received the CoronaVac vaccine, which has a 50% efficacy rate. Now, the city is ready to reopen

A nurse gives a 16-year-old a Pfizer-BioNTech shot at a clinic in Florida.

Moderna Announces Its Covid-19 Vaccine Is Effective in Adolescents

The company completed a final phase trials in 3,732 adolescents between ages 12 and 17

The administration has not yet announced how the 80 million doses will be distributed, but intends to do so by the end of June.

U.S. Commits to Sharing 20 Million More Vaccine Doses With Countries in Need

The new commitment adds 20 million Moderna, Pfizer and Johnson & Johnson doses to the previously promised 60 million AstraZeneca doses

Bran Castle is relying on its connections to the puncture-happy vampire Dracula to entice people to get vaccinated. Here, masked visitors stand in front of a sign depicting syringes as vampire fangs.

'Dracula's Castle' Is Now Offering Visitors Free Covid-19 Vaccinations

Bran Castle's connections to the vampire may be as mythic as the monster himself, but the site remains a popular Romanian attraction

A 16-year-old gets her Pfizer-BioNTech Covid-19 vaccine from a nurse in Anaheim, California, after use for people 16 and older was approved in April.

First Covid-19 Vaccine Authorized for Kids Ages 12 to 15

Officials and parents hope to vaccinate young teens against the coronavirus in time for summer recreation and school in the fall

The Milwaukee Bucks offered the Covid-19 vaccine to any fans over the age of 16 at the game on May 2.

How Common Are Your Covid-19 Vaccine Side Effects?

New data from the CDC shows the rates of side effects after each dose of Moderna and Pfizer’s vaccines

The majority of documented Covid-19 transmission has taken place indoors, with less than ten percent occurring outdoors, per the Associated Press.

CDC Eases Outdoor Mask-Wearing Guidelines for Small Groups

More than 90 percent of documented Covid-19 cases are sparked by transmission indoors

Skipping a second dose and opting only for one dose of the vaccine triggers a weaker immune response and may leave recipients susceptible to other virus variants.

CDC Data Shows That 92% of Partially Vaccinated Americans Are Returning for Their Second Dose

Some choose to miss their second shot because of scheduling conflicts, fear of side effects, or they felt protected enough with just the first

The Anopheles stephensi mosquito is a carrier of the malaria parasite, and can infect people with the parasite when it bites them

New Malaria Vaccine Trial Reports 77 Percent Efficacy Rate

The promising results were announced following a second phase vaccine trial that included 450 children between five and 17 months old

In Myanmar, a scientist with Smithsonian’s Global Health Program examines the world’s smallest mammal, a bumblebee bat.

Secretary Lonnie Bunch on the Power of Research at the Smithsonian

We can accomplish more when we unite our robust scientific capabilities with our educational reach

After receiving a Covid-19 vaccine, many patients experience side effects, like arm soreness, headache and fever.

Experts Answer Eight Key Questions About Covid-19 Vaccine Reactions

Medical professionals weigh in on why some individuals have different responses to the shots and offer advice on what to expect

An illustration of antibodies responding to an infection by SARS-CoV-2, the virus that causes Covid-19

The Next Step in Covid-19 Vaccines May Be Through the Nose

Intranasal vaccines may help prevent transmission and hinder the evolution of new viral variants

Zipline has started to deliver Covid-19 vaccines in Ghana.

Drones Are Delivering Covid-19 Vaccines to Underserved Communities

The company Zipline is using the technology to provide medical resources to rural areas in markets around the world

The new study compared 1,131 children between 12 and 15 years old who received two doses of the Pfizer-BioNTech vaccine, and 1,129 who received two doses of a placebo.

Pfizer-BioNTech Vaccine Is Highly Effective at Preventing Covid-19 Infections in Adolescents

In a study of 2,260 children age 12 to 15, no vaccinated kids contracted the virus

Nurse Sandra Lindsay of Long Island Jewish Medical Center in Queens, New York City, received the first Covid-19 vaccine in the United States in December 2020. Here, she is pictured receiving her second dose of the Pfizer vaccine in January.

CDC Study of Vaccinated Frontline Workers Shows Covid-19 Shots Effectively Prevent Infection, Not Just Symptoms

The vaccinated group of participants saw 90 percent fewer cases than if they had not been vaccinated

AstraZeneca's vaccine is approved for use in over 20 countries.

Why U.S. Approval of the AstraZeneca Covid-19 Vaccine Is Taking So Long

An unprecedented public exchange with a data review board is the latest of AstraZeneca-Oxford vaccine’s hurdles

A vaccine passport would be a digital or paper document showing that the bearer had received a Covid-19 vaccination or, in some cases, has antibodies to the virus or recently tested negative.

Five Things to Know About Vaccine Passports

As travelers venture out, countries and states are experimenting with forms of documentation that show proof of Covid-19 vaccination

The stories of children who participated in polio vaccine tests became a constant in media coverage, appearing alongside warnings and debates.

The Press Made the Polio Vaccine Trials Into a Public Spectacle

As a medical breakthrough unfolded in the early 1950s, newspapers filled pages with debates over vaccine science and anecdotes about kids receiving shots

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