September 19, 2021

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New coronary alternative first discovered in Colombia may be more resistant to vaccines - Dagsavisen

New coronary alternative first discovered in Colombia may be more resistant to vaccines – Dagsavisen

What happened?

The World Health Organization (WHO) has added a new type of coronavirus to the list of “variables of interest”. It has been called “my” (English “mu”), or B. 1.621, according to WHO weekly update Corona pandemic as of August 31. All variants of SARS-CoV-2 that the World Health Organization believes are of interest or cause for concern are named after letters of the Greek alphabet.

Why is it useful?

According to the World Health Organization, my variant has a range of mutations that indicate that it may be partially resistant to the coronavirus vaccines that have been used so far, and to the immunity a person has after a previous coronavirus infection.

What do you know about the alternative?

The variant was first detected in Colombia in January, and has since been detected in sporadic cases and some major outbreaks in other countries in South America and Europe. Among the Corona cases where the variant in question has been investigated, my variant represents less than 0.1 percent worldwide and has decreased globally, but in Colombia it is 39 percent, in Ecuador it is 13 percent, and it is constantly increasing in the two countries, according to Who is the. The World Health Organization believes that more research is needed to understand more about this alternative. So far, the variant has been detected in 39 countries.

What does it mean to be on such a list with the WHO?

WHO Har List On “Worrying Variables”, which currently consists of four types of SARS-CoV-2 coronavirus: Alpha, Beta, Gamma And Delta. These are the variants that have been shown to meet one or more of these characteristics: to be more contagious, cause more serious illness, or reduce the effectiveness of infection control measures, compared to previous variants. Then you have a list “Variety of Interests”, which have genetic changes that have altered or are expected to alter the characteristics of the virus and which have increased in incidence or in other ways that may imply increased risks to global public health. This list is currently available and, atom, kappa, lambda And now too Mine.

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How common are these changes?

All viruses mutate over time, and most mutations have little or no effect on the characteristics of the virus. However, it does have some mutations, and that can affect how contagious the virus is, how seriously it causes disease and resistance to vaccines, medications, and infection control measures.

Health authorities are at all times looking for mutations in the so-called “spike” protein in the virus, says Paul Griffin, an expert in infectious diseases at the University of Queensland in Australia.

If the spike protein changes significantly, chances are the vaccines will work worse. We think there will come a time when that’s very likely, but we haven’t quite seen it yet . Griffin says News letters.

Although studies may indicate that the vaccines currently in use have a somewhat worse effect on the delta variant (which now predominates in most parts of the world, including in Norway) than previous variants, existing vaccines are Still very effective In the prevention of serious illness, experts say.

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