Thursday, April 18, 2024

One time vaccine of Johnson & Johnson against Covid approved by FDA

US regulatory authorities legally approved a one-time vaccine, of the Johnson and Johnson against coronavirus, which is the third vaccine that is approved in the United States.

This vaccine is an inexpensive alternative to the Pfizer and Moderna vaccines. And this can store it in the refrigerator instead of the freezer.

Research has shown that it prevents serious illness but 66% effective overall when reasonable cases included.

This one time vaccine manufactured by the Belgian company Janssen.

The company agreed to make 100 million cans available to the US by the end of June. The first cans will become available to the American public as early as next week.

The UK, EU, and Canada have also ordered cans and the Covax program has ordered 500 million cans to serve poorer countries.

President Joe Biden hailed it as “exciting news for all Americans, and an encouraging development“, but advised that the “fight is far from over“.

“Though we celebrate today’s news, I urge all Americans – keep washing your hands, stay socially distanced, and keep wearing masks,” he said in a statement.

“As I have said many times, things are still likely to get worse again as new variants spread, and the current improvement could reverse.”

Read more: The COVID vaccines that work – and the others on the way

The US Food and Drug Administration’s (FDA) approval comes after an external panel of experts unanimously backed the vaccine on Friday.

Effectiveness of the vaccine

“The results of studies conducted in the United States, South Africa, and Brazil showed”. That is more than 85% effective in preventing serious illness and 66% overall when it was reasonable cases.

Notably, there were no deaths among participants who received the vaccine, and there were no hospitalizations 28 days after vaccination.

Overall protection was lower in South Africa and Brazil, where viral variants predominate, but protection against serious or critical illness is “equally high”.

South Africa began delivering Johnson and Johnson strokes on health workers earlier this month as part of the study. It comes after preliminary studies show that the Oxford-AstraZeneca vaccine offers “minimal protection” against minor illnesses of the variant that dominates most countries.

So far, Bahrain is the only other country to have approved an emergency vaccine. Which gave the green light on Thursday.

Because the vaccines require fewer doses than the Pfizer and Moderna vaccines. They also require fewer vaccine appointments and medical staff.

Who ordered for the Johnson & Johnson Vaccine?

England – 30 million cans

EU – 200 million cans

Canada – 38 million cans

Covax Nations – 500 million cans

The Johnson & Johnson vaccine uses the common cold virus, which is supposed to render it harmless.

Then safely carry part of the Coronavirus genetic code into the body. This is enough for the body to identify the threat and then learn to fight the coronavirus.

This trains the immune system to fight the coronavirus when it actually attacks. This is likely to the approach that is used by the University of Oxford and AstraZeneca.

How some of the Covid-19 vaccines compare

Image Source: UK government
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