The omicron variant multiplies faster than the delta in the bronchi, but not in the lungs

• Health The ECDC warns that the vaccine does not stop omicron and calls for drastic measures

• Coronavirus Two studies warn of the danger of reinfection with the omicron variant

The whole world is watching the

.

It is estimated that this variant has a greater contagion capacity than

(due to its characteristics or because it escapes the immunity provided by vaccines), which would make it one of the most airborne viruses on the planet.

A significant problem with omicron is that, although it is a less serious variant of the virus than the previous ones, with such a high contagion rate,

(in the United Kingdom they double every two days or so) and this could cause hospitals collapse in no time.

But ... why is it such a contagious variant?

A new study by scientists at the University of Hong Kong, published on Wednesday, provides insight into how omicron behaves within the respiratory tract.

According to their preliminary results, the variant multiplies about 70 times faster within the bronchi than the delta variant, reaching high concentration levels rapidly in this part of the respiratory system, just 48 hours after infection.

Thus, the multiple mutations of omicron seem to have favored the process of entry into the upper respiratory tract and the replication of the virus.

It replicates less in the lungs

Research by virologist Michael Chan Chi-wai and his colleagues also yields good news.

And, according to their research, when omicron infects the lungs it is 10 times less efficient than delta or other variants of the virus.

This suggests that omicron could cause a

than its predecessors, but these results must be taken with caution because this research has been carried out by analyzing infected tissues in a laboratory, we must analyze data from real people with the disease.

Will the third dose of the vaccine work?

There is already ample evidence that a

coronavirus

increases protection against omicron. Being vaccinated with two doses is no longer enough, but a third dose protects around 70% against infection and prevents hospitalizations and serious cases of coronavirus. According to known data, the antibody response to the new variant is multiplied by 200 with the booster dose.

In a study carried out in South Africa, they have determined that two doses of the Pfizer vaccine would be enough to reduce hospitalizations by 70% compared to those who were not vaccinated, due to the observations of South Africa they cannot be applied in the case of countries Europeans.

It is necessary to wait to have statistics from a country with vaccination data and average age more similar to that of European states.

According to the criteria of The Trust Project

Know more

• Coronavirus

• HBPR

• Covid 19

CoronavirusÓmicron "needs" the third dose of the vaccine: there is a sharp decrease in efficacy with just two doses

Covid-19 Reasonable similarities between Covid and the flu and how to eliminate doubts

Covid-19 WHO qualifies the omicron variant as 'worrying': is it as fierce as it is painted?

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