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Coronavirus (COVID-19)
Closing in on a universal vaccine: Nasal spray protects mice from respiratory viruses, bacteria and allergens
In the realm of medical advancements, a universal vaccine that can protect against any pathogen has long been a Holy Grail—and about as elusive as a mythological vessel. But Stanford Medicine researchers and collaborators ...
Feb 19, 2026
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'Atomic snapshots' of proofreading enzyme could lead to better COVID-19 drugs
The closest-ever detailed look at a key enzyme inside the virus that causes COVID-19 could lead to more effective treatment of the disease. Nucleotide analogs are a common type of antiviral medication that mimic the genetic ...
May 6, 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.
Brazilian tree compounds block SARS-CoV-2 at multiple stages, lab tests show
A study has revealed that galloylquinic acids extracted from the leaves of Copaifera lucens Dwyer, a tree endemic to Brazil primarily found in the Atlantic Forest, have a multi-targeted effect against SARS-CoV-2, the virus ...
Apr 30, 2026
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An unexpected limit to SARS-CoV-2's immune defenses reveal a hidden virus trade-off
A new study has revealed that while SARS-CoV-2 can weaken part of the body's early immune response, it may also unintentionally trigger another defense that helps cells fight back. A new collaborative study has revealed a ...
Apr 27, 2026
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Bacterial-like vaccine cues could help extend immunity against evolving viruses
Researchers at the University of Wisconsin School of Veterinary Medicine have identified a possible way to make longer-lasting vaccines for respiratory viruses like influenza and the coronavirus that causes COVID-19. The ...
Mar 31, 2026
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Uncovering the evolutionary limits of the COVID-19 virus
A new paper in Genome Biology and Evolution, indicates that while the COVID-19 virus has developed rapidly since 2019, it has done so within limited genetic channels. These genetic limits have remained unchanged. Despite ...
Mar 25, 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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Intranasal vaccine booster shows stronger immune response and protection against sarbecoviruses
Researchers at the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine) and Monash University in Australia have demonstrated that an intranasal vaccine booster may confer significantly stronger ...
Mar 3, 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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Why hantavirus is not the new COVID, according to experts
A deadly hantavirus outbreak on a cruise ship has revived bitter memories of when COVID-19 first emerged, but health experts have emphasized the two viruses are very different—and have sought to assuage fears of another pandemic.
May 11, 2026
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Hantavirus scare revives COVID-era conspiracy theories
An outbreak of the deadly hantavirus on a Dutch-flagged cruise ship is reviving conspiracy theories about vaccines, alleged depopulation campaigns and miracle cures that flourished during the COVID pandemic.
May 9, 2026
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Hantavirus outbreak on cruise ship raises transmission concerns
A deadly hantavirus outbreak aboard the expedition cruise ship MV Hondius has triggered an international health response after at least three passengers died and several others fell ill during a voyage in the South Atlantic. ...
May 8, 2026
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WHO says now five confirmed cruise ship hantavirus cases
The World Health Organization said Thursday there were now five confirmed hantavirus cases from the Atlantic cruise ship outbreak, with three more suspected—and warned further cases were possible.
May 7, 2026
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Final talks begin on missing piece for pandemic treaty
An extra week of negotiations to complete an international agreement on handling future pandemics kicked off in Geneva on Monday, with sharp divisions holding up an accord.
Apr 27, 2026
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Researchers explore new approach to multivirus drug development
Wanted: a cheap, multipotent treatment for viral infections. Must be able to handle new or unfamiliar strains, or (even better) a broad range of viruses—whatever comes along, in other words. Must be impervious to viral attempts ...
Apr 22, 2026
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Pregnancy-related deaths rose during pandemic, remain elevated for Black women, study finds
Pregnancy-related deaths in the United States increased sharply during the COVID-19 pandemic, with the greatest impact seen among Black women, a new study suggests. While rates have since returned to pre-pandemic levels for ...
Apr 14, 2026
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Why extended postpartum Medicaid coverage during pandemic led to gains in enrollment
The federal policy requiring states to keep Medicaid beneficiaries enrolled during the COVID-19 pandemic extended postpartum Medicaid coverage nationwide and sharply increased the number of individuals remaining insured after ...
Apr 14, 2026
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New flu and COVID variants spread, but immune defenses still blunt severe disease
We're keeping an eye on new influenza and SARS-CoV-2 viral variants. Here's what we know about those viruses—and your immune system's ability to fight back.
Apr 13, 2026
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Absinthe: What the ban on France's aromatic spirit teaches us about modern-day blaming and shaming
The potent emerald-green blend of wormwood, green anise and fennel, known as "the Green Fairy," was once celebrated by French society, including artists from Baudelaire to Van Gogh. By the early 1900s, France consumed more ...
Apr 8, 2026
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