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Could mRNA offer a path towards universal flu vaccines?

image of Influenza vaccine vials pattern background
Broad protection from a universal flu vaccine could replace seasonal flu shots. Flavio Coelho/Moment via Getty Images

How do you make a universal flu vaccine? A microbiologist explains the challenges, and how mRNA could offer a promising solution

Deborah Fuller, University of Washington

To everything there is a season, and for the flu, it’s wintertime. Flu cases peak between December and February, and the flu vaccine is your best defense. Getting the vaccine means you will be less sick even if you get a breakthrough infection.

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One-shot COVID-19 vaccine approach moving forward

Artist drawing of viruses
The FDA advisory committee discussed vaccine safety, effectiveness of the current shots, potential seasonality of COVID-19 and more. wildpixel/iStock via Getty Images Plus

FDA advisory committee votes unanimously in favor of a one-shot COVID-19 vaccine approach – 5 questions answered

Matthew Woodruff, Emory University

The U.S. Food and Drug Administration’s key science advisory panel, the Vaccines and Related Biological Products Advisory Committee, met on Jan. 26, 2023, to chart a path forward for COVID-19 vaccine policy. During the all-day meeting, the 21-member committee discussed an array of weighty issues including the efficacy of existing vaccines, the composition of future vaccine strains and the need to match them to the circulating variants of SARS-CoV-2, the possibility of moving to an annual-shot model, the potential seasonality of the virus and much more.

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USDA Launches New Virtual Nutrition Center of Excellence

Photo of of fresh food in heart-shaped bowl
Policymakers are responding to a growing recognition of food as medicine. udra11/Shutterstock.com

US Department of Agriculture

WASHINGTON, Dec. 5, 2022 – The U.S. Department of Agriculture (USDA) today announced its new Agricultural Science Center of Excellence for Nutrition and Diet for Better Health (ASCEND for Better Health) in support of President Biden’s Cancer Moonshot effort to end cancer as we know it.

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We’re told to ‘eat a rainbow’ of fruit and vegetables. Here’s what each color does in our body

Photo of fresh produce in a basket
Shutterstock

Evangeline Mantzioris, University of South Australia

Nutritionists will tell you to eat a rainbow of fruit and vegetables. This isn’t just because it looks nice on the plate. Each colour signifies different nutrients our body needs.

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Counteracting the effects of sitting all day

Photo of man sitting at a desk.
Researchers have long known that sitting at your desk hour after hour is an unhealthy habit. Morsa Images/Digital Vision via Getty Images

Sitting all day is terrible for your health – now, a new study finds a relatively easy way to counteract it

Keith Diaz, Columbia University

The Research Brief is a short take about interesting academic work.

The big idea

To reduce the harmful health effects of sitting, take a five-minute light walk every half-hour. That’s the key finding of a new study that my colleagues and I published in the journal Medicine & Science in Sports & Exercise.

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As viral infections skyrocket, masks are still a tried-and-true way to help keep yourself and others safe

Photo of people wearing masks
Masks are an easy and low-cost way to reduce the amount of virus entering the air and spreading to others. william87/iStock via Getty Images Plus

Emily Toth Martin, University of Michigan and Marisa Eisenberg, University of Michigan

The cold and flu season of 2022 has begun with a vengeance. Viruses that have been unusually scarce over the past three years are reappearing at remarkably high levels, sparking a “tripledemic” of COVID-19, the flu and respiratory syncytial virus, or RSV. This November’s national hospitalization levels for influenza were the highest in 10 years.

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How the James Webb Space Telescope has revealed a surprisingly bright, complex and element-filled early universe – Podcast

Photo of multiple galaxies taken by the James Web Space Telescope
The James Webb Space Telescope is providing astronomers with images and data that reveal secrets from the earliest era of the universe. NASA/STScI

NASA/STScI
Daniel Merino, The Conversation and Nehal El-Hadi, The Conversation

If you want to know what happened in the earliest years of the universe, you are going to need a very big, very specialized telescope. Much to the joy of astronomers and space fans everywhere, the world has one – the James Webb Space Telescope.

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Increase in Pediatric Invasive Group A Streptococcal Infections

Photo of sick child
Image by press 👍 and ⭐ from Pixabay

US Centers for Disease Control and Prevention

Summary
The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to notify clinicians and public health authorities of a recent increase in pediatric invasive group A streptococcal (iGAS) infections. In November 2022, CDC was notified of a possible increase in iGAS infections among children at a hospital in Colorado.

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Toilets spew invisible aerosol plumes with every flush – here’s the proof, captured by high-powered lasers

Phto of toilet flush mist illuminated by a green lazer
Aerosol plumes from commercial toilets can rise 5 feet above the bowl. John Crimaldi/Scientific Reports, CC BY-NC-ND

John Crimaldi, University of Colorado Boulder

Every time you flush a toilet, it releases plumes of tiny water droplets into the air around you. These droplets, called aerosol plumes, can spread pathogens from human waste and expose people in public restrooms to contagious diseases.

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6 feet of snow in Buffalo: What causes lake-effect storms like this?

Photo of person shoveling very deep snow
Parts of the Buffalo area saw more than 6 feet of snow over three days in November 2022. AP Photo/Joshua Bessex

Michael A. Rawlins, UMass Amherst

It’s hard for most people to imagine 6 feet of snow in one storm, like the Buffalo area saw over the weekend, but such extreme snowfall events occasionally happen along the eastern edges of the Great Lakes.

The phenomenon is called “lake-effect snow,” and the lakes play a crucial role.

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