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Coronavirus (COVID-19)
Scientists use AI to develop bird flu vaccine that outperforms current stockpiled shot
A University of Cambridge team has had a third success with its AI-guided technique for designing vaccines against highly infectious viruses that threaten animal and human health. Its new broad-spectrum bird flu vaccine gave ...
Nov 5, 2026
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RNA-protein interactions could lead to new coronavirus drug targets
A study co-led by a University of California, Riverside, biomedical scientist has identified new targets for coronavirus antiviral drugs, including treatments that may be less vulnerable to the rapid evolution of these viruses.
Nov 2, 2026
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COVID-19 outbreak
Coronavirus disease 2019 (COVID-19) is the infectious disease caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
A pneumonia of unknown cause detected in Wuhan, China was first reported to the World Health Organization Country Office in China on 31 December 2019 and recognised as a pandemic on 11 March 2020.
Reported illnesses have ranged from mild symptoms to severe illness and death for confirmed COVID-19 cases.
More information: WHO, CDC, global cases.
Follow us on Google News for the latest updates on the coronavirus.
RNA-protein interactions reveal new coronavirus drug targets
A study led by researchers at the University of California San Diego School of Medicine and University of California, Riverside (UCR) School of Medicine has identified new targets for antiviral drugs against coronaviruses, ...
Nov 2, 2026
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Analysis of 244 million Americans refines the understanding of long COVID
Long COVID is a phenomenon in which serious health effects linger well after a patient tests negative for coronavirus infection. Patients describe persistent "brain fog," fatigue, dizziness, rapid heart rate, shortness of ...
Oct 28, 2026
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Sequence changes help modified mRNA avoid protein-making errors to improve vaccine design
When the coronavirus SARS-CoV-2 turned our world upside down, mRNA vaccines against COVID-19 brought a breakthrough. Their success established modified mRNA as a powerful foundation for vaccines and opened the way for new ...
Oct 13, 2026
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COVID-19 immunity may help protect against other bat coronaviruses
People who recovered from COVID-19 infection or were vaccinated against SARS-CoV-2 are more likely to have immunity to other closely related bat coronaviruses that could threaten future human health.
Oct 1, 2026
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Two spike 'keys' work together to let SARS-CoV-2 enter cells, study reveals
To enter cells, the COVID-19 virus fuses its surrounding membrane with the membrane of the target cell. This is where the fusion peptides of the spike protein come into play. These regions function as molecular keys that ...
Sep 17, 2026
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A sharper picture of a pandemic: Uncovering the complex history of the plague after the Black Death
The Black Death is often remembered as a single catastrophic event that swept across Europe between 1347 and 1353, killing millions. Yet the disease did not disappear after that first devastating outbreak. For more than four ...
Sep 16, 2026
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Hedgehog coronaviruses may threaten cats more than humans, new study finds
Washington State University researchers have discovered how a group of coronaviruses circulating in hedgehogs invades host cells, a key to understanding their potential to jump between species and their risk of causing a ...
Sep 16, 2026
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Severe COVID-19 reactivates dormant viruses, study finds
Chronically infecting viruses—such as Epstein-Barr virus, cytomegalovirus (CMV) and herpesviruses—are common and often innocuous and asymptomatic. However, emerging evidence suggests their reactivation may contribute to autoimmune ...
Aug 5, 2026
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Evolutionary history may help explain why some people develop more severe COVID-19 than others
Every time a virus invades a person, it collides with thousands of years of human history. A study led by researchers at the USC Dornsife College of Letters, Arts and Sciences and Howard University suggests that some of the ...
Aug 4, 2026
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COVID-19 vaccine boosters may help protect against future animal coronaviruses, research suggests
COVID-19 vaccine boosters not only protect against SARS-CoV-2—the virus behind the most recent pandemic—but may also help protect against some future coronaviruses that risk spreading from animals to humans, Cambridge researchers ...
Jul 1, 2026
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Antiviral ensitrelvir cuts risk of COVID-19 in household contacts by two-thirds, study finds
The antiviral drug ensitrelvir prevents infection in household contacts of COVID-19 patients when given within 72 hours after symptom onset in the index patient, according to a Phase III randomized controlled trial published ...
May 15, 2026
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Why the early U.S. COVID-19 death toll may be 155,000 higher
The COVID-19 pandemic's early death toll was much higher than the official U.S. count, according to a new study that spotlights dramatic disparities in the uncounted deaths.
Mar 18, 2026
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Broad COVID-19 vaccination makes economic sense, especially for older adults, modeling study finds
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.
Aug 13, 2025
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Unused COVID-19 vaccines may have a second life in the development of new biosensors
During the COVID-19 pandemic, pharmaceutical companies produced unprecedented quantities of vaccines. This helped save millions of lives, but on the other hand, many vaccines remained unused, expired, and had to be thrown ...
Aug 12, 2025
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Pausing certain arthritis drugs after COVID-19 vaccination raises flare risk without improving antibody response
For patients with inflammatory arthritis, holding certain disease-modifying antirheumatic drugs (DMARDs), namely select biologic or Janus kinase inhibitor (JAKi) therapies, for two weeks at the time of a supplemental COVID-19 ...
Oct 6, 2026
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Here's why experts say now is an ideal time to protect yourself from flu
It's October and time for flu shots. Medical experts urge getting a flu vaccination soon, before influenza starts spreading widely—and to get up to date on protection against other fall respiratory viruses, too. Updated COVID-19 ...
Oct 2, 2026
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Life expectancy almost back to pre-COVID-19 levels, says WHO
Global life expectancy is close to the levels seen before the COVID-19 pandemic, but the outlook for years lived in good health is recovering more slowly, the WHO said Friday.
Oct 2, 2026
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Does my kid have COVID‑19 or just a cold? A pediatric nurse explains how to tell—and why it matters
Fall and winter mark the peak season for common respiratory infections such as COVID-19; respiratory syncytial virus, or RSV; influenza, better known as the flu; and the common cold. These illnesses often begin with symptoms ...
Sep 18, 2026
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