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Vaccines

A photo illustration of Jonas Salk.

America at 250: The Revolutionary Spark

When the Fear of Polio Gripped the World, Jonas Salk’s Determination Led to a Liberating Medical Breakthrough

The son of the doctor, himself now a physician and researcher, recalls his vaccination in the kitchen as painless. Now, he recounts the impact of the work his father led

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Smithsonian Magazine Presents: America at 250—The Revolutionary Spark

Celebrating the visionary insights & darling innovators that forged a nation.

Two members of the Médecins Sans Frontières Ebola response team outside a hospital in the Democratic Republic of Congo

These Experimental Ebola Treatments and Vaccines Might Help Slow the Outbreak Spreading in Congo and Uganda, WHO Says

No approved therapeutics exist for the virus species causing the outbreak, which has been associated with more than 1,000 cases of Ebola. The World Health Organization has identified several therapeutics to test in clinical trials in the coming months

The HPV vaccine defends patients against cervical cancer. 

Could Australia Be the First Country to Eliminate Cervical Cancer? It’s on Track, but HPV Vaccination and Screening Rates Are Falling

The country implemented a national vaccination program to prevent the disease in 2007. New data show that in 2021, no women under age 25 were diagnosed with cervical cancer, marking a major milestone

The new variant has been detected in 25 states so far.

The ‘Cicada’ Variant of Covid-19 Is Spreading in the United States. Here’s What You Need to Know

Infection levels are still low in the country, but the highly mutated variant might be able to evade your body’s immune defenses acquired via vaccine or past infection

Chris Buck at work in a kitchen lab

This Scientist Brewed and Drank His Own ‘Vaccine Beer’ to Combat a Dangerous Virus. It Seems to Have Worked

Blood tests revealed that the beverage elicited an immune response, according to preliminary research. But far more safety and efficacy testing would be needed before this vaccine could become available

Surgeons removed the patient's failing lungs and temporarily replaced them with an artificial version, saving his life.

Artificial Lungs Kept a Dying Man Alive For 48 Hours—Until He Was Well Enough to Receive an Organ Transplant

The patient is faring well nearly three years later, thanks to the life-saving device

The findings point to a mental strategy that could help bolster typical medical treatments.

Positive Thinking Might Boost Your Immune System’s Responses to Vaccines, New Research Suggests

Researchers found an association between increased activity in a reward region of the brain—primarily stimulated by hopeful thinking—and heightened levels of protective antibodies after receiving a vaccine

Many public health experts, immunologists and pediatricians criticized the revised childhood vaccine schedule, arguing that the changes will likely lead to more disease outbreaks.

U.S. Overhauls Immunization Schedule for Kids, Removing Recommendations for Vaccines Against the Flu, RSV and More

Announced on Monday, the revised schedule drops the number of recommended immunizations from 17 to 11. The CDC suggests that only “high-risk” kids should get many of the vaccines that are no longer endorsed

The vaccine can be administered to koalas in a single dose.

A New Vaccine Could Help Save Australia’s Beloved Koalas From Chlamydia, and It Just Got Approved

The disease causes blindness, infertility, severe urinary tract infections and death in the iconic, furry marsupials, which are also threatened by habitat loss

This rabbit's "horns" are made of keratin, which is also found in hair and nails.

Rabbits With ‘Horns’ Seen in Colorado Are Going Viral. Here’s What’s Really Happening

Though the strange growths on these animals may look intimidating, experts say there’s not much to worry about, and they’re caused by a fairly common virus

A measles vaccination is administered to a child.

U.S. Measles Cases Reach a Record High Since the Disease Was Declared Eliminated 25 Years Ago

With nearly six months left in the year, the total number of cases so far in 2025 has surpassed every year since 1992

Experts say those patients at the highest risk of developing severe illness should get vaccinated.

Six Questions About Covid-19 Vaccines, Answered

Recent vaccination announcements have led to some confusion. Four physicians weigh in on who should get vaccinated and when

A colorized transmission electron micrograph of monkeypox virus particles. There have been 15,600 mpox cases and 537 deaths reported in the Democratic Republic of the Congo in 2024 so far.

WHO Declares Mpox Global Health Emergency. Here’s What to Know

A new virus strain has been spreading primarily the Democratic Republic of the Congo, as well as nearby countries that had previously not reported mpox cases

A new study sheds light on the timeline of the human immune response when confronted with SARS-CoV-2 and other infectious diseases.

Why Are Some People Seemingly Immune to Covid-19? Scientists May Now Have an Answer

Researchers tracked the immune responses of 16 people intentionally exposed to SARS-CoV-2 and pinpointed a gene that seems to help resist the virus before it can take hold

Researchers are recruiting some 1,100 people globally to participate in the trial's third phase.

Personalized Melanoma Vaccine Could Be a ‘Game Changer’ by Teaching the Body to Fight Cancer Cells

The mRNA therapy, designed to prevent treated skin cancer from returning, is entering its third phase of trials

The measles virus as seen through a transmission microscope. Rising numbers of measles cases in the U.S. threaten its eliminated status, according to a new CDC report.

U.S. Measles Cases Are Rising in 2024, CDC Warns

Health officials urge vaccination against the highly contagious virus, which has caused 121 infections in the country this year

Paul Alexander died on March 11 at age 78.

Texas Man Who Lived 70 Years in an Iron Lung Dies at 78: ‘I Never Gave Up’

Paralyzed by polio in 1952, Paul Alexander led a full life despite being confined to a large steel ventilator

A photo from the announcemnent of this year's Nobel Prize in Physiology or Medicine. The researchers discovered a way to edit synthetic mRNA so that it could pass by cells' defense mechanisms, allowing it to be used in Covid-19 vaccines.

Nobel Prize in Medicine Honors Two Scientists Who Enabled mRNA Vaccines

Katalin Karikó and Drew Weissman discovered a way to edit mRNA so it could be used in vaccines without getting attacked and destroyed by the body

A new round of Covid-19 vaccinations was recommended by Centers for Disease Control and Prevention advisers on Tuesday.

What to Know About the New Covid-19 Vaccines, Now Recommended by CDC Advisers

Experts say the latest boosters are effective against emerging variants including EG.5.1 and BA.2.86

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