covid 19 News and Research

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Rethinking childhood obesity through gentle nutrition and emotional support

Over the past decades, childhood obesity has become a global health crisis, intensified by the sedentary routines and dietary disruptions of the COVID-19 pandemic.

18 Jul 2025

New mRNA vaccine strategy awakens immune system to fight cancer

An experimental mRNA vaccine boosted the tumor-fighting effects of immunotherapy in a mouse-model study, bringing researchers one step closer to their goal of developing a universal vaccine to "wake up" the immune system against cancer.

18 Jul 2025

Old chemistry unlocks safer and stronger mRNA delivery

As millions of people know firsthand, the most common side effect of mRNA vaccines like the COVID-19 shot is inflammation: soreness, redness and a day or two of malaise.

18 Jul 2025

Health perceptions and stigma keep kids from eating school meals

During the Covid-19 pandemic, the federal government enabled schools to provide all children, regardless of need, with free meals to address nutrition and food insecurity.

18 Jul 2025

COVID-19 boosters reduce hospitalization risk for cancer patients

Vaccine boosters help keep cancer patients from being hospitalized or admitted to intensive care units due to COVID-19, according to a new study led by Cedars-Sinai investigators.

17 Jul 2025

Study: Nearly half of hospital toilet users skip handwashing

Almost one in two people using a hospital toilet did not wash their hands afterwards, according to new research from the University of Surrey - raising serious concerns about hygiene compliance in high-risk environments.

17 Jul 2025

New micro physiological system emulates different regions of the human lung

Respiratory infections such as COVID-19 have been responsible for numerous pandemics and have placed a substantial burden on healthcare systems.

16 Jul 2025

Fred Hutch leads national study on multi-cancer detection blood tests

Fred Hutch Cancer Center is leading the newly launched Vanguard Study, a national study of a new type of blood test that screens for several different cancers called multi-cancer detection (MCD) tests.

16 Jul 2025

NIST releases first publicly consented pancreatic cancer genome data

In an effort to foster progress in cancer research, the National Institute of Standards and Technology (NIST) is releasing detailed and comprehensive data about the entire genetic content of a pancreatic cancer cell.

16 Jul 2025

Virtual eye clinics in shopping centers cut waiting times for routine appointments

Innovative virtual eye clinics in shopping centres could significantly reduce waiting times for routine eye appointments, UCL-led research suggests in a first-of-its-kind study.

15 Jul 2025

MSU researchers uncover how superfungus Candida auris evades antifungal drugs

A groundbreaking study from Michigan State University (MSU), recently published in Nature Communications, has revealed how the multidrug-resistant superfungus Candida auris uniquely reconstructs its cell wall to survive antifungal treatments.

15 Jul 2025

TB bacteria can play dead to outlast the immune response, study reveals

A vaccine protects more than 100 million infants each year from severe tuberculosis (TB), including the fatal brain swelling it can cause in babies and toddlers.

15 Jul 2025

Infectious disease outbreaks erode trust in political institutions

The COVID-19 pandemic has drawn the attention to the far-reaching social implications of emerging infectious diseases, bringing to mind similarly impactful events like the Black Plague in early modern Europe or the Spanish Flu after World War I.

15 Jul 2025

Study: Millions worldwide still lack access to essential surgical care

Progress towards universal access to safe, affordable surgical care is dangerously off track as at least 160 million patients each year are unable to receive surgery - with Low- and Middle-income Countries (LMICs) bearing the brunt of the crisis, a new study reveals.

15 Jul 2025

New AI tool can help doctors read chest X‑rays better and improve health care outcomes

Can artificial intelligence, or AI, potentially transform health care for the better? Now, rising to the challenge, an Arizona State University team of researchers has built a powerful new AI tool, called Ark+, to help doctors read chest X‑rays better and improve health care outcomes.

15 Jul 2025

Many Americans turn to AI for health answers despite accuracy warnings

Traditionally, individuals asked health questions of their primary health care provider. Confidence in that provider as a source of trustworthy health information has been consistently high in recent years and was at 90% in April, according to survey data from the Annenberg Public Policy Center (APPC) of the University of Pennsylvania.

14 Jul 2025

Canadian obesity trends accelerated after the start of COVID-19 pandemic

Did the COVID-19 pandemic affect obesity rates in Canada? A new study in CMAJ (Canadian Medical Association Journal) https://www.cmaj.ca/lookup/doi/10.1503/cmaj.241421 found obesity rates based on body mass index (BMI) increased faster in the 4 years after the start of the pandemic than in the previous 11 years, especially in younger adults.

14 Jul 2025