Coronavirus Disease COVID 19 News and Research

Latest Coronavirus Disease COVID 19 News and Research

What happened to the midlife unhappiness hump?

Recent research shows a decline in youth mental health, replacing the traditional unhappiness hump with increased stress and depression in younger generations.

4 Sep 2025

Watch: How controversies over vaccine changes affect you

Céline Gounder, KFF Health News' editor-at-large for public health, appeared on CBS News' "Face the Nation With Margaret Brennan" on Aug. 31 to discuss leadership changes at the Centers for Disease Control and Prevention and vaccine policy concerns.

3 Sep 2025

At CDC, worries mount that agency has taken anti-science turn

Public health and access to lifesaving vaccines are on the line in a high-stakes leadership battle at the Centers for Disease Control and Prevention.

3 Sep 2025

Azelastine nasal spray significantly reduces SARS-CoV-2 infections in clinical trial

The trial, led by Professor Robert Bals, Director of the Department of Internal Medicine V at Saarland University Medical Center and Professor of Internal Medicine at Saarland University, divided the 450 participants into two groups.

2 Sep 2025

New project uses advanced PET imaging to investigate long COVID mechanisms

Using total-body PET imaging to get a better understanding of long COVID disease is the goal of a new project at the University of California, Davis, in collaboration with UC San Francisco.

29 Aug 2025

New guidelines improve care for respiratory infections in leukemia patients

People with leukemia have a weakened immune system due to the disease itself and treatment, which leads to an increased susceptibility to infections.

28 Aug 2025

COVID-19 vaccine successes boosted hesitancy - can trust and equity restore immunization?

Researchers show that countries with higher initial COVID-19 vaccine acceptance also achieved stronger booster uptake, but trust and access remain decisive. The commentary warns that vaccine successes also fueled hesitancy, demanding structural reforms, clear communication, and proactive strategies to protect immunization.

21 Aug 2025

COVID-19 accelerates vascular aging in women

Research shows COVID-19 accelerates vascular aging, especially in women, with implications for long-term cardiovascular health and recovery strategies.

20 Aug 2025

COVID-19 ages arteries prematurely with women most affected

COVID-19 may leave arteries biologically “older,” with women showing more persistent stiffness and symptom links than men. Findings from the large CARTESIAN cohort suggest this vascular aging effect is partly reversible over time.

19 Aug 2025

Respiratory viruses awaken dormant breast cancer cells and raise relapse risk

Respiratory viruses such as influenza and COVID-19 can reactivate dormant breast cancer cells in the lungs, raising the risk of metastasis. The process is driven by IL-6–induced cell changes and immune suppression, with the highest recurrence risk soon after infection.

14 Aug 2025

Study shows economic benefits of continued COVID-19 vaccination

As the nation gears up for the rollout of an updated COVID-19 vaccine, a new study shows the economic benefits of continued broad vaccination in adults.

14 Aug 2025

Pandemic left measurable changes in teen brains, hormones, and immunity

Adolescents assessed after COVID-19 lockdowns showed lower daily cortisol, higher inflammation, and reduced prefrontal cortex activity compared to matched pre-pandemic peers, suggesting widespread stress-related biological changes. These alterations mirror patterns seen after prolonged early-life stress, raising concerns about long-term health risks.

13 Aug 2025

New diagnostic tool offers rapid, low-cost blood test for multiple diseases

Researchers at Arizona State University have developed a breakthrough diagnostic tool that could transform how quickly and reliably we detect illnesses like COVID-19, Ebola, AIDS or Lyme disease. The test uses just a single drop of blood, costs a couple of dollars and delivers results in only 15 minutes.

13 Aug 2025

Study: Lignin shows strong antiviral and antibacterial properties

Research from the Nanoscience Center of the University of Jyväskylä, Finland, has revealed that lignin, a polyphenol, important for plant structure, has antimicrobial activity against viruses and bacteria.

12 Aug 2025

New research pipeline fuels the development of universal vaccines

Most vaccines are designed to provide immunity against just one pathogen. Vaccines for chicken pox (caused by varicella-zoster virus) were only developed to fight that one disease, for example.

7 Aug 2025

KFF Health News' 'What the Health?': Next on Kennedy’s list? Preventive care and vaccine harm

In his ongoing effort to reshape health policy, Secretary of Health and Human Services Robert F. Kennedy Jr. reportedly plans to overhaul two more government entities: the U.S. Preventive Services Task Force and the National Vaccine Injury Compensation Program.

31 Jul 2025

Chronically ill? In Kennedy’s view, it might be your own fault

On a recent weekday evening, Ashly Richards helped her 13-year-old son, Case, with homework. He did math problems and some reading, underscoring how much he's accomplished at his school for children with autism.

31 Jul 2025

New tool developed to distribute vaccines fairly and avoid waste

No one knows exactly how many doses of coronavirus vaccines were discarded during the pandemic. But the numbers are high. Media reported that 125,000 doses went unused in Norway during 2021 alone.

30 Jul 2025

Eating more ultra-processed food links depression and diabetes

New research links ultra-processed food intake to increased diabetes risk in individuals with depression, highlighting the need for healthier dietary choices.

30 Jul 2025

Vegan teens exercise more often than meat-eating peers, study finds

A nationwide Austrian study of nearly 9,000 teens reveals distinct health behaviors and motivations among vegetarian, vegan, and omnivorous students. Vegan and vegetarian youth are more likely to report higher fruit, vegetable, and activity levels, but still fall short of daily exercise targets.

29 Jul 2025