Coronavirus Disease COVID 19

Coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus. COVID-19 is caused by one virus, called severe acute respiratory syndrome coronavirus 2, or SARS-CoV-2.

The COVID-19 Pandemic: What have the experts learned?

The world’s leading scientists and organizations share their thoughts on the pandemic. Read More.

What Mutations of SARS-CoV-2 are Causing Concern?

As SARS-CoV-2 has spread, it has evolved and developed mutations, causing new variants of the disease. This article provides an insight into all variations.

COVID-19 and Headaches

Post Covid-19 chronic fatigue: an observational survey highlights the positive effects of Apportal®

COVID-19 and Health Supplements

What is COVAX?

What is D-Dimer?

Anthropogenesis and COVID-19

What is Long COVID?

What is Trained Immunity?

Multisystem Inflammatory Syndrome in Children (MIS-C)

Importance of Wastewater Surveillance of SARS-CoV-2

What Factors Affect Antibody Production?

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What is Protein Phosphorylation?

COVID-19 and Mouthwash

How Effective are Antibodies for Treating COVID-19?

What is OC43?

Nasal Disinfectants and their Application to COVID-19

What is a Viral Strain?

What is Case Fatality Rate (CFR)?

Why Can Women Fight COVID-19 Better Than Men?

What is Convalescent Plasma Donation?

Nanomedicine and COVID-19

What is a Variant?

What is the Role of Autoantibodies in COVID-19?

What Role has Social Media Played in COVID-19?

Hypoxemia in COVID-19

What are the Symptoms of COVID-19?

What is the Clinical Impact of COVID-19 on Cancer Patients?

What is a Spillover Event?

Climate Change and COVID-19

How does a SARS-CoV-2 Virion Bind to ACE2?

COVID-19 and Smoking

What is a Glycoprotein?

What is a Reagent?

How do Coronavirus Antibody Tests Work?

Serological Testing for COVID-19

How are Vaccines Stored?

Blood Clotting and COVID-19 Vaccines

Breastfeeding and COVID-19

How does the COVID-19 Pandemic Compare to Other Pandemics?

What are the Different Types of Vaccines?

What are the Recommended Preventative Measures for COVID-19?

The Surge of Sensationalist COVID-19 AI Research

COVID-19 and the Gastrointestinal Tract

How Will COVID-19 Advances Impact the Future of Medicine?

What is TMPRSS2?

What is Acute Respiratory Distress Syndrome (ARDS)?

Fighting Fatigue

What is Epidemiologic Modeling?

Coronavirus: B Cells and T Cells

What is a Pseudovirus?

Plasma Donation and COVID-19

Awake Prone Positioning for COVID-19 Patients

How has COVID-19 affected Organ Transplantation?

What are Negative Pressure Rooms?

Can Pets Get COVID-19?

What is Phylogenetic Analysis?

What Does COVID-19 do to the Lungs?

Mythbusting: COVID-19 Misconceptions

Focus on post-covid fatigue

Chronic fatigue after SARS-CoV-2 infection

COVID-19 and Corticosteroids

What is a Cytokine Storm?

What is "long haul" COVID and How Does it Relate to the Extended Symptoms of Other Viruses?

How has the COVID-19 Pandemic affected Recreational Drug Use?

COVID-19 and Obesity

How has the COVID-19 Pandemic Impacted Global Health?

COVID-19 and Mental Health Research

COVID-19 and Heart Damage

What is the 'Twindemic'?

A nutritional supplement to aid in post-Covid syndrome

An Overview of the COVID-19 Vaccines

What are Furin Proteases?

What is an Antibody Titer?

COVID-19 and Menstruation

Seroprevalence of COVID-19

Brain Fog and COVID-19

What is Oxygen Saturation?

The Rise of 3D Printing in the COVID-19 Pandemic

Innate versus Adaptive Immunity in COVID-19

Humanitarian Aid in the COVID-19 Pandemic

What are COVID Toes?

The Importance of Global COVID-19 Vaccination

What is R0?

How is ECMO Being Used to Treat Severe COVID-19?

What Has COVID-19 Taught Us About Infectious Diseases?

What is Viral Pneumonia?

COVID-19 and Diarrhea

What Role does Endothelial Infection Play in SARS-CoV-2 Infection?

How is COVID-19 Spread?

What is the Difference Between COVID-19 and the Flu?

Repurposing Drugs for COVID-19

Angiotensin-Converting Enzyme Inhibitor vs. Angiotensin Receptor Blockers

How has COVID-19 Influenced Pollution?

Monoclonal Antibody Treatments in COVID-19

Is Vertical Transmission of SARS-CoV-2 Possible?

An Overview of the COVID-19 Vaccines

The Search for a Universal Coronavirus Vaccine

Types of COVID-19 Test

COVID-19 and Autoimmune Diseases

COVID-19 and Asthma

What is Seroconversion?

A Comparison of the Different Types of Face Mask

Viral Clades of SARS-CoV-2

The Future of Pandemics

How has COVID-19 Changed the Delivery of Care?

What is Viral Shedding?

Protecting Your Mental Health During a Pandemic

How has COVID-19 Affected Students?

COVID-19 and Psoriasis

What is Viral Load?

COVID-19 and Senior Mental Health Post-Lockdown

Pandemic vs. Epidemic

The Future of Vaccines

How Could Nitric Oxide Treat Severe COVID-19?

A Targeted Nutritional Supplement Proves to Aid Persistent Fatigue in Post-COVID Patients

What are Spike Proteins?

The Cardiac Implications of COVID-19

What is Vertical Transmission?

What are Coronaviruses?

COVID-19 and Diabetes

D614G Mutation in SARS-CoV-2 Spike Protein

Post-Covid Chronic Fatigue: how can we help you?

Vitamin D and COVID-19

What is a Nasopharyngeal Swab?

COVID-19 and Pregnancy

Long-term Effects of COVID-19 in Athletes

Who's Most at Risk from COVID-19?

Chronic Fatigue after Covid-19 infection can improve thanks to Apportal®

COVID-19 and Sexually Transmitted Infections

What is an Overlapping Gene (OLG)?

COVID-19 and Smell Loss (Anosmia)

COVID-19 and the Gastrointestinal Tract

Unlocking the Healing Power of Opera: How Operatic Breathing Can Help COVID-19 Patients with Long-Lasting Symptoms

How does SARS-CoV-2 Compare to SARS-CoV?

What is Herd Immunity?

What can COVID-19 Teach us about Respiratory Disease?

How has the COVID-19 Pandemic Impacted the Adoption of Digital Health Technology?

COVID-19 and Animals

Physical and mental fatigue after Covid-19: Is there a solution?

The Naming System Behind SARS-CoV-2

COVID-19 and Reproductive Health

COVID-19 and Allergies

The Size of SARS-CoV-2 and its Implications

Role of T Cells in COVID-19

What are Fomites?

A specific nutritional approach for subjects with post-Covid Syndrome

How do RdRp Inhibitors Combat SARS-CoV-2?

Should you Mix COVID Vaccines?

Latest Coronavirus Disease COVID 19 News and Research

Researchers reveal why global gains against chronic diseases are stalling

Researchers analysed mortality data from 185 countries and found that while global non-communicable disease (NCD) deaths before age 80 declined from 2010 to 2019, progress slowed compared to 2001–2010. Gains were mainly from drops in heart disease and stroke, but rising burdens from diabetes, cancers, and neuropsychiatric conditions stalled momentum.

15 Sep 2025

Fast food’s grip on American diets weakens as younger adults cut back

About one-third of U.S. adults consumed fast food on a given day between 2021 and 2023, with an average of 11.7% of daily calories coming from it. Intake has declined from 14.1% in 2013–14, driven mainly by reduced consumption among younger adults.

11 Sep 2025

Toddlers exposed to the COVID pandemic show fewer behavioral problems

A study finds that toddlers exposed to the COVID-19 pandemic showed fewer behavioral issues, suggesting hidden resilience factors in diverse family backgrounds.

11 Sep 2025

Daylight saving time does not increase heart attack risk, study shows

A large U.S. registry study of more than 168,000 patients found that daylight saving time (DST) clock changes did not increase heart attack rates or worsen in-hospital outcomes. The findings suggest that the lost or gained hour is unlikely to trigger acute myocardial infarction in contemporary care.

10 Sep 2025

RFK Jr. said ‘everybody can get’ a covid vaccine. Is that true?

When health secretary Robert F. Kennedy Jr. testified before the Senate Finance Committee on Sept. 4, several senators criticized him for restricting the covid-19 shots after promising in November he wouldn't “take away anybody's vaccines.”

10 Sep 2025

Researchers reveal why no level of air pollution is safe for respiratory health

A review in the Journal of Clinical Investigation shows how particulate matter damages the lungs through oxidative stress, inflammation, and immune disruption. It links air pollution to asthma, COPD, lung cancer, infections, and millions of premature deaths, with no safe exposure threshold.

9 Sep 2025

Study reveals impact of Medicaid unwinding on children's emergency department visits in Texas

As the COVID-19 pandemic wound down, so did the federal government's funding to states that allowed all Medicaid enrollees to keep their coverage even if they no longer would have been eligible otherwise.

9 Sep 2025

Concertgoers back detection dogs as practical COVID-19 screening tool in real-world trial

A feasibility study in Germany found that concertgoers strongly supported medical detection dogs for COVID-19 screening, with confidence rising after real-world use. The findings suggest canine testing could complement PCR and antigen tests, especially in large gatherings and high-traffic environments.

8 Sep 2025

Common diabetes drug metformin cuts long covid risk by 64 percent in UK study

A large UK-based retrospective cohort study found that initiating metformin within 90 days of COVID-19 diagnosis reduced the risk of Long COVID by 64% in overweight and obese adults. The findings suggest metformin may offer a low-cost preventive option pending confirmation from randomized trials.

8 Sep 2025

Can an allergy spray help prevent COVID-19?

Researchers determine the efficacy and safety of azelastine nasal spray for preventing SARS-CoV-2 infection in healthy adults.

8 Sep 2025

He built Michigan’s Medicaid work requirement system. Now he’s warning other states.

It was March 2020, and Robert Gordon was about to kick some 80,000 people off health insurance.

5 Sep 2025

Men close the cooking gap as home meal prep rises across the US

A study reveals rising home cooking trends in the US from 2003 to 2023, highlighting education's role in cooking habits and diet quality disparities.

5 Sep 2025

Scientists uncover human proteins hijacked by SARS-CoV-2 for replication

Despite vaccines and treatments, SARS-CoV-2-the virus that causes COVID-19-continues to pose a global health threat, driven by new variants and its ability to hijack human cells in ways that still aren't fully understood.

5 Sep 2025

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