Who is at higher risk of relapse from the coronavirus?

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Can people who defeat the coronavirus get sick again with the disease Covid 19? If so, who is at risk?

This is a question that medical experts have been working on for months.

Now, a study has found that older people who defeat Covid are at higher risk.

Research has shown that older people who have contracted covid should not think that they can be protected from a second attack of the disease.

The study, conducted in Denmark, found that people under the age of 65 who had a covid had at least six months of recurrence of the disease up to 80%, but that people over the age of 65 had protection. The rate is only 47%.

The study, published in the medical journal Lancet, said it was essential to take steps to protect the elderly, who are at risk of dying from covid.

Researchers at the Danish Institute of Statins said the results showed that young and healthy people were less likely to get a covid infection but that the elderly had a higher risk of contracting the virus. 

"Elderly people have a higher risk of serious illness and death, so it is important to have policies in place to protect them," he added.

The covid testing program in Denmark is very organized. Everyone can have their PCR tested there even if the symptoms do not appear.

In 2020, two-thirds of the European country's population, or 4 million people, underwent Covid tests.

The researchers compared data from tests performed during the first Corona epidemic in Denmark between March and May 2020 to tests performed on the second wave between September and December 2020.

He also worked on the epidemic for the second time during the outbreak in 2.5 million people.

The study found that of the 11,068 people who fell ill during the first wave, 72 were re-diagnosed with Covid during the second wave, with a re-infection rate of 0.65.

According to research, there is no difference between the risk of relapse in men and women.

The results showed that people are less likely to get sick again with covid.

However, the results also show that patients are usually only 80 percent protected from re-infection once they become ill. This rate is reduced to 47 percent in people over 65 years of age.

The researchers said the findings could help determine which people need to be prioritized for vaccination.

Researchers do not yet know how long antibody protection against Covid can be maintained in patients with Covid.

Experts say the data confirms that it is impossible to achieve collective immunity from the Covid and that a global vaccination program is an answer.