Corona infected again. How dangerous is it?

Corona infected again.  How dangerous is it?

However, the message that eventually spread, especially on social media, that the risk of health damage increases exponentially with each additional infection can be supported by the methods used in the study. does not prove. The study compares people with reinfection to people without reinfection. Clearly those with renewed infection are worse off than without, writes Roby Bhattacharyyaimmunologist at Harvard Medical School, on Twitter. The study does not compare disease severity with first infection. There are many indications from other studies that it is less difficult.

The only possible conclusion of the study is that reinfecting yourself is worse than not reinfecting yourself, writes the mathematician Christine PagelProfessor of Operations Research at University College London on Twitter.

The problem is less the bare data, but their interpretation. Of course, it is important to avoid infections, because each can also have a negative impact on the general state of health. This applies to any infection with any pathogen. This becomes problematic when people interpret the data from this study as pointing to the coming apocalypse, review Roby Bhattcharyya.

The study situation regarding “re-infections” becomes longer, more complicated and also more confusing. The significance depends, for example, on where and when the study took place and on the age or health of the participants. Unfortunately, the conclusions of these studies are often misleading. Reports then appear, especially on social networks, which question the effectiveness of vaccinations or the performance of the human immune system as a whole. “In Scotland, in the summer of year 3 of the pandemic, there are more people with Covid than ever before. Despite vaccination and a recent BA.1/2 infection. No seasonality, no immunity. Not endemic. Just the eternal re-infection loop that doesn’t make anyone healthier,” says the Swiss data reporter with a gloomy look Marc Brupbacher on Twitter. Brupbacher overlooks the fact that every vaccination, every infection in the population that has gone through, contributes to making people more resistant to the corona virus. This virus, which is not a monster, also carries immutable molecular bricks against which the immune system gradually builds permanent protection.

Do recurrent infections increase the risk of Long Covid?

Some experts believe that every corona virus infection carries an equally high risk of contracting Long Covid. As with Russian roulette, he would hit one after his first infection, another after his third infection, or none. Other experts believe that the risk of long Covid is highest for people who were not vaccinated during the first infection. Since the immune system is not yet well prepared for this first contact, the virus can multiply rapidly in the worst case. Now one of the risk factors for Long Covid is a high amount of virus which weighs down the body in the early stages of infection. This is lower in people who have had an infection and/or who have been vaccinated, because defense cells and antibodies are already available to prevent the virus from spreading rapidly.


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