AstraZeneca’s coronavirus vaccine does ‘more’ than prevent the virus

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  • AstraZeneca’s coronavirus vaccine does ‘more’ than prevent the virus
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AstraZeneca’s coronavirus vaccine does ‘more’ than prevent the virus, researchers revealed. It appears to reduce transmission of the virus and offers strong protection for three months with a single dose, in an encouraging turn in the campaign to bring the pandemic under control.

Preliminary findings from the University of Oxford, the co-developer of the vaccine, could vindicate the British government’s controversial strategy of delaying the second dose of the vaccine for up to 12 weeks so that more people can quickly receive the first dose.

AstraZeneca Coronavirus Vaccine

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So far, the recommended time between doses has been four weeks, indicates The Associated Press.

The research could also bring scientists closer to the answer to one of the great questions of the pandemic: Can vaccines really slow the spread of the coronavirus?

What would be the impact on Pfizer and Moderna vaccines?

It is not yet clear what implications, if any, the findings could have for the other two vaccines being used in the West: those developed by Pfizer Y Modern.

In the United States, Dr. Anthony Fauci, the nation’s leading infectious disease expert, rejected the idea of ​​deliberately delaying the administration of the second dose, noting that the country “will be guided by science” and data obtained from the clinical trials.

AstraZeneca Coronavirus Vaccine

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The two doses of Pfizer’s vaccine and Moderna’s should be given three and four weeks apart.

Discovery could ‘ease’ vaccine shortages

The research appears to be good news in the desperate attempt to stop the spread of the virus and also shows a way to ease vaccine shortages and inoculate people more quickly.

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The manufacturers of the three vaccines have said that their doses have been shown to be 70% to 95% effective in clinical trials in protecting people from disease caused by the virus.

But it was not clear if vaccines could also eradicate the transmission of the virus, that is, if someone who received the vaccine could still contract the virus without getting sick and spreading it to others.

Data from the new research

As a result, experts have said that even people who received the vaccine should continue to wear masks and keep their distance.

However, the Oxford study found that the vaccine not only prevented severe symptoms of the disease, it appeared to reduce transmission of the virus by two-thirds. The study has not yet been peer-reviewed.

The study volunteers underwent the usual nasal swab tests. The level of positive results in these tests, from those with symptoms to those who had not developed any, was 67% lower in the group that had been vaccinated.

Filed Under: AstraZeneca Coronavirus Vaccine

Vaccines in the world

“That has to have a really beneficial effect on transmission,” said Sarah Gilbert, senior researcher at Oxford, during a meeting of the New York Academy of Sciences.

The researchers also looked at how likely it is that people who received the vaccine will get an infection without symptoms. In a subgroup of volunteers, there were 16 cases of asymptomatic people among those vaccinated and 31 in a comparative group that did not receive the dose.

Pfizer and Moderna are also studying the effect of their vaccines on asymptomatic infections.

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In the United States, only the Pfizer and Moderna vaccines are being administered. Britain is using AstraZeneca’s and Pfizer’s.

The one developed by AstraZeneca has also been authorized by the European Union. Pfizer it has not supported the UK government’s decision to extend the time between dosing.

With information from The Associated Press.

Filed Under: AstraZeneca Coronavirus Vaccine

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