SARS-CoV-2 – Page 4 – Global Health Press

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COVID vaccines protect against Delta, but their effectiveness wanes

The Pfizer–BioNTech and Oxford–AstraZeneca COVID-19 vaccines are effective against the highly infectious Delta variant of SARS-CoV-2 — but their protection drops away over time, a study of infections in the United...

2 September, 2021

4 min read

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Delta variant’s global spread raises question: will Covid-19 become more infectious?

As the highly infectious Delta variant challenges pandemic control efforts around the world, a great unknown looms large: what might the virus behind Covid-19 do next? Scientists widely agree that new mutations of Sars...

19 August, 2021

6 min read

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Long COVID: Epstein-Barr virus may offer clues

Around a third of people who have had COVID-19 experience symptoms lasting 12 weeks or more, including fatigue, “brain fog,” and skin rashes, collectively known as long COVID. Other symptoms include difficulty sleeping...

28 July, 2021

5 min read

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How to update an mRNA vaccine

As soon as mRNA vaccines demonstrated startling efficacy against SARS-CoV-2 and began rolling out late last year, the virus revealed its slippery nature. The mRNA vaccines now in use are based on early SARS-CoV-2...

23 July, 2021

2 min read

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Study shows why second dose of COVID-19 vaccine shouldn’t be skipped

The second dose of a COVID-19 vaccine induces a powerful boost to a part of the immune system that provides broad antiviral protection, according to a study led by investigators at the Stanford University School of...

19 July, 2021

7 min read

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Inhaled COVID-19 vaccine prevents disease and transmission in animals

In a new study assessing the potential of a single-dose, intranasal COVID-19 vaccine, a team from the University of Iowa and the University of Georgia found that the vaccine fully protects mice against lethal COVID-19...

9 July, 2021

3 min read

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New AI model helps understand virus spread from animals to humans

A new model that applies artificial intelligence to carbohydrates improves the understanding of the infection process and could help predict which viruses are likely to spread from animals to humans. This is reported in...

16 June, 2021

3 min read

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Scientists uncover a molecule that can help coronavirus escape antibodies

Researchers have found that a natural molecule can effectively block the binding of a subset of human antibodies to SARS-CoV-2. The discovery may help explain why some COVID-19 patients can become severely ill despite...

26 April, 2021

4 min read

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Caught in the act: New data about COVID-19 virus’s functions could aid in treatment designs

For the first time, a team of researchers has captured X-ray images of a critical enzyme of the COVID-19 virus performing its function. This discovery could improve design of new treatments against the disease. The...

14 April, 2021

4 min read

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Leprosy drug may help fight COVID-19

SARS-CoV-2, which is the virus that causes COVID-19, is not the only zoonotic coronavirus. In fact, it is the third to have emerged since the turn of the century. It was preceded by severe respiratory syndrome (SARS) in...

30 March, 2021

4 min read

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