April 21, 2024

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Research found: France may have had COVID-19 cases in November 2019

Research found: France may have had COVID-19 cases in November 2019


Research found: France may have had COVID-19 cases in November 2019. Xinhua News Agency, Paris, February 10 (Reporter Chen Chen) A serum test of more than 9,000 French citizens showed that among the people who were sampled between November 2019 and January 2020, some people were tested for new coronavirus-related The result was positive, indicating that France may have had cases of COVID-19 infection as early as November 2019.

The results of the study led by Fabris Carla, director of the French Pierre Louis Institute of Epidemiology and Public Health, have been published in the new issue of the European Journal of Epidemiology.

The researchers selected serum samples of 9,144 people living in 12 regions of mainland France from November 4, 2019 to March 16, 2020. The average age of these people was 55 years old, and 51% of them were women. The new coronavirus spike protease-linked immunosorbent test on these samples showed that 353 of them tested positive.

The researchers then tested the new coronavirus neutralizing antibody on the blood samples of more than 500 people, including those with positive results of the enzyme-linked immunosorbent assay. As a result, 44 people were tested for the new coronavirus neutralizing antibody.

Research found: France may have had COVID-19 cases in November 2019

It is particularly worth noting that among the people sampled from November 5, 2019 to January 30, 2020, 13 people tested positive for both tests, and the blood samples of 7 people were collected in November 2019. Researchers believe that the study shows that France may have had COVID-19 cases as early as November 2019.

The Albert Schweizer Hospital in Colmar, the Greater Eastern Region of France issued a communiqué on May 7, 2020, stating that doctors in the medical imaging department of the hospital had a warning from November 1, 2019 to April 30, 2020. The 2456 chest images completed by the hospital were reviewed. The results show that the earliest suspected case of new coronavirus infection can be traced back to November 16, 2019.

Yves Cohen, the head of the intensive care department of the two hospitals under the Paris Public Hospital Group, told French media on May 3, 2020 that his two hospitals have been responsible for the period from December 2019 to January 2020. Samples collected from a patient with pneumonia were re-tested, and it was found that a man who was admitted to the hospital on December 27, 2019 and has recovered has tested positive for the new coronavirus.



(source:internet, reference only)

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