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Coronavirus (COVID-19)


Repeat COVID-19 vaccinations elicit antibodies that neutralize variants, other viruses

The COVID-19 pandemic is over, but the virus that caused it is still here, sending thousands of people to the hospital each week and spinning off new variants with depressing regularity. The virus's exceptional ability to ...


The tentacles of retracted science reach deep into social media: A simple button could change that

In 1998, a paper linking childhood vaccines with autism was published in the journal, The Lancet, only to be retracted in 2010 when the science was debunked.

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.


How B cells recognize new variants of SARS-CoV-2

B cells are part of the immune system's memory. Their memories of previous infections or vaccinations provide the template for antibodies that have a protective effect the next time they come into contact with a pathogen.

Diseases, Conditions, Syndromes

Study confirms effectiveness of bivalent COVID-19 vaccine

A major bivalent COVID-19 vaccine induces production of neutralizing antibodies against the coronavirus that circulated at the start of the pandemic as well as subvariants of omicron, albeit less abundantly, according to ...

Diseases, Conditions, Syndromes

Long-term smell, but not taste, deficits seen after COVID-19

Olfactory dysfunction, especially for smell, is more common in individuals with prior COVID-19 versus individuals with no history of infection, with deficits varying by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ...


Study finds metformin reduces COVID-19 viral load, viral rebound

A team of University of Minnesota researchers found that metformin, a drug commonly used to treat diabetes, can decrease the amount of COVID-19 virus in the body and lower the chances of the virus coming back strongly after ...


AstraZeneca withdraws Covid vaccine as demand dives

Anglo-Swedish drugmaker AstraZeneca on Wednesday said it was withdrawing COVID vaccine Vaxzevria, one of the first produced in the deadly pandemic, citing "commercial reasons" following a slump in demand.