Child getting a bandaid put on by doctor
FDA Green Lights COVID-19 Vaccines for Kids Under 5
Moderna and Pfizer-BioNTech shots could be given to the youngest kids as early as June 21.
FDA Green Lights COVID-19 Vaccines for Kids Under 5
FDA Green Lights COVID-19 Vaccines for Kids Under 5

Moderna and Pfizer-BioNTech shots could be given to the youngest kids as early as June 21.

Moderna and Pfizer-BioNTech shots could be given to the youngest kids as early as June 21.

vaccine trials
Vaccine illustration 
Infographic: Inducing Active Immunity Against Opioid Overdose
Tori Rodriguez | Jun 13, 2022
How scientists aim to induce an immune response against addictive drugs
Illustration of a syringe with a person falling out of a bottle of pills
Opioid Vaccines as a Tool to Stem Overdose Deaths
Tori Rodriguez | Jun 13, 2022
Researchers are turning to the immune system for help in treating addiction and preventing overdose.
Spraying spray bottle
Nasal Vaccines Are Commercially High Risk, Perhaps High Reward
Jef Akst | Jun 13, 2022
Dozens of intranasally delivered vaccines targeting SARS-CoV-2 are in development. Could they pave the way for widespread nasal vaccination in the future?
Man in personal protective equipment (glasses, gloves, cap, and coat) watching plants go through a piece of machinery.
Canada Approves World’s First Plant-Based COVID-19 Vaccine
Natalia Mesa | Feb 25, 2022
Canada has ordered 76 million doses of Covifenz, the main ingredient of which was manufactured in the leaves of a tobacco relative.
line of people waiting outside mass vaccination site
“Nocebo” Effect May Cause Majority of COVID-19 Vaccine Symptoms
Natalia Mesa | Jan 18, 2022
A negative version of the placebo effect may be behind many instances of mild side effects associated with the jabs, a study suggests.
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Johnson & Johnson Vaccine Garners First Full Approval
Chloe Tenn | Nov 24, 2021
Health Canada has given the single COVID-19 shot the official greenlight for use in people 18 and older.
black-legged deer tick waits on leaf for host to feed on
A Lab-Stage mRNA Vaccine Targeting Ticks May Offer Protection Against Lyme and Other Tick-Borne Diseases
Andaleeb Sajid | Nov 18, 2021
NIH researcher Andaleeb Sajid discusses her study’s finding that ticks were unable to feed on vaccinated guinea pigs, preventing transmission of the pathogen that causes Lyme disease.
close-up of a mosquito on human skin
Hope, Concern Surround WHO Green Light of First Malaria Vaccine
Katarina Zimmer | Oct 28, 2021
RTS,S has several flaws but could still save tens of thousands of lives, experts say.
a pill bottle with dice spilling out
Book Excerpt from You Bet Your Life
Paul A. Offit | Sep 21, 2021
In his book’s Introduction, physician-scientist Paul A. Offit reviews the unusual constellation of circumstances around the development of COVID-19 vaccines.
Updated Mar 8
A healthcare worker holds up three syringes with clear medicine
To Booster or Not: Scientists and Regulators Debate
Jef Akst | Sep 16, 2021
President Biden’s planned rollout of additional COVID-19 vaccine doses is set to begin next week, but questions remain about who should get them.
Illustration of the BCG vaccine and resulting immune response
Infographic: TB Vaccines in the Pipeline Take Varied Approaches
Anthony King | Jul 1, 2021
More than a dozen vaccines for tuberculosis are currently being tested in clinical trials. Some use whole bacteria as BCG does, while others deliver protein subunits or genetic material carried by viral vectors.  
False-colored micrograph of Mycobacterium tuberculosis
Tuberculosis: The Forgotten Pandemic
Anthony King | Jul 1, 2021
This month marks the 100-year anniversary of BCG, still the only approved vaccine against the lethal pathogen. But there are new vaccines for this wily foe on the horizon.
Pharma, US Government Plan for COVID-19 Booster Shots
Jef Akst | Apr 16, 2021
It’s unclear how long protections against infection will last from the initial vaccinations, and health authorities say additional jabs will likely be necessary.
Bile and Potatoes, 1921
Jef Akst | Apr 1, 2021
One hundred years after its invention, BCG has stood the test of time as a vaccine against tuberculosis.
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COVID-19 Vaccine Combos Aim to Boost Immunity
Asher Jones | Mar 9, 2021
Mix-and-match shots could simplify vaccine rollout and stimulate more-robust immune responses. Ongoing clinical trials will soon give answers.
SARS-CoV-2, COVID-19, coronavirus, pandemic, virus, vaccine, vaccination, outbreak, infectious disease, Johnson & Johnson, Moderna, Pfizer, drug development
One-Shot COVID-19 Vaccine Prevents Severe Disease
Asher Jones | Jan 29, 2021
Johnson & Johnson’s vaccine is less effective at preventing COVID-19 than other approved vaccines are, but experts say it could still be an important tool in curbing the pandemic.
2020 in Scientists’ Own Words
Abby Olena | Dec 23, 2020
The world was rocked by the COVID-19 pandemic this year, but researchers rose to all manner of challenges.
Infographic: How Vaccines Train Innate Immunity
Shawna Williams | Nov 1, 2020
A recent study elucidates some of the changes that occur in the body after inoculation with a tuberculosis vaccine.
How Some Vaccines Protect Against More than Their Targets
Shawna Williams | Nov 1, 2020
As researchers test existing vaccines for nonspecific protection against COVID-19, immunologists are working to understand how some inoculations protect against pathogens they weren’t designed to fend off.