germinal center inside a lymph node
Booster Is Best in the Same Limb as Initial Vaccine: Mouse Study
Compared to mice who got the doses in separate limbs, animals receiving flu shots in the same paw for both a first and second dose had better-trained memory B cells that bound tighter to the vaccine antigen.
Booster Is Best in the Same Limb as Initial Vaccine: Mouse Study
Booster Is Best in the Same Limb as Initial Vaccine: Mouse Study

Compared to mice who got the doses in separate limbs, animals receiving flu shots in the same paw for both a first and second dose had better-trained memory B cells that bound tighter to the vaccine antigen.

Compared to mice who got the doses in separate limbs, animals receiving flu shots in the same paw for both a first and second dose had better-trained memory B cells that bound tighter to the vaccine antigen.

vaccination

Brick building with tall windows and white letters out front that say "Food and Drug Administration"
FDA Limits Use of J&J Vaccine, Citing Safety Concerns
Natalia Mesa | May 6, 2022
US adults are now only eligible for the vaccine under certain circumstances.
Baby with spotted onsie about to get injection of vaccine
Antibiotics Tied to Lower Effectiveness of Childhood Vaccines
Natalia Mesa | Apr 28, 2022
Use of the drugs in children under the age of two was associated with lower antibody levels after the jabs—perhaps, researchers suggest, due to microbiome alterations.
Learn About Sero-Surveillance During the COVID-19 Pandemic
Using Sero-Surveillance to Combat the COVID-19 Pandemic
The Scientist Creative Services Team, Bio-Rad Laboratories | Feb 7, 2022
Immunoassays for detecting, tracking, and testing SARS-CoV-2 antibody responses
A two-pronged needle, a glass vial of smallpox vaccine, and a syringe sit on a blue surface.
Smallpox Vaccine Recruits Skin Bacteria to Fight Disease
Patience Asanga | Apr 26, 2022
A mouse study points to a possible mechanism by which the smallpox vaccine helped eradicate the disease in the 1980s.
Chickens in front of brown mesh coops
Bird Flu Hits US Hard
Natalia Mesa | Apr 8, 2022
So far this season, tens of millions of birds have died of disease or been culled, driving up prices of eggs, chicken, and turkey meat.
Child with head tilted back receiving oral polio vaccine
Mass Polio Vaccination Effort Underway in East Africa
Natalia Mesa | Mar 18, 2022
Malawi and its neighbors plan to vaccinate 9.4 million children against polio in the coming week to combat a suspected outbreak.
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.
EXCLUSIVE
Stethoscope on top of form and clipboard
Robert Malone Targets Physician Who Alerted Medical Board to Misinformation
Catherine Offord | Feb 19, 2022
A Hawaii hospital worker who reported the controversial scientist to the Maryland Board of Physicians was subjected to harassment and a retaliatory complaint after Malone made his name and location public.
People waiting in line for COVID Vaccine
CDC: COVID-19 Booster Effectiveness Wanes After Four Months
Natalia Mesa | Feb 14, 2022

The agency also finds that third shots prevented hospitalizations during the Omicron wave.


Photo of carved bust in front of building labeled "Institut Pasteur"
Luc Montagnier, Virologist who Codiscovered HIV, Dies at Age 89
Natalia Mesa | Feb 11, 2022
The Nobel laureate had courted controversy in recent years on vaccines and other matters.
blue gloved hand putting vial of blood into centrifuge machine
Studies Identify Risk Factors for Long COVID
Natalia Mesa | Jan 26, 2022
Two recent papers provide insight into possible risk factors for developing the chronic condition, including autoantibodies and diabetes.
A person lying on a bed checks the reading on a digital thermometer. A table with a bowl of oranges and various medications is in the background.
How Mild Is Omicron Really?
Dan Robitzski | Jan 14, 2022
Early reports that Omicron causes less-severe disease than Delta seem to be borne out, but it’s not yet clear to what extent that’s due to the variant itself versus the populations it’s infecting.
images related to COVID-19 pandemic, including sign reading "please keep your distance," illustration of the virus, various pills, vaccine syringes
What We Learned About COVID-19 in 2021
Shawna Williams | Dec 16, 2021
As Omicron induces a sense of deja vu at the close of the year, we look back at a few key ways in which our understanding has moved forward.
Two vaccine syringes on a baggy labelled with San Diego Zoo and Bonobo
The Rise of COVID-19 Vaccines for Animals
Chris Baraniuk | Dec 9, 2021
Thousands of animals have had their shot already. How many more really need it?
In one of the only known photos of Abraham Lincoln taken on the day of the Gettysburg Address, Lincoln can be seen seated, hatless, just below and to the right of the flag. Lincoln began developing symptoms of smallpox on the train home to Washington, DC.
Presidential Pox, 1863
Annie Melchor | Dec 1, 2021
Researchers continue to debate whether US President Abraham Lincoln was coming down with smallpox as he delivered his famous Gettysburg Address, and if he had been immunized.
building sign
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.
gloved hands put a band-aid on the shoulder of a child wearing a mask
CDC Green Lights Pfizer’s Vaccine for Younger Kids
Shawna Williams | Nov 3, 2021
With the final hurdle cleared, the COVID-19 vaccine could be administered to US children ages 5 through 11 as early as today.
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.
adolescent getting vaccination shot
Moderna Vaccine Paused for Young People in Two European Countries
Chloe Tenn | Oct 6, 2021
Health authorities in both countries announced that people under certain age cutoffs are now ineligible for the Spikevax COVID-19 shot due to its association with heart inflammation.