'Infection with tuberculosis causes resistance to the new corona,' confirmed in mouse experiments
A research team at The Ohio State University in the United States announced in a mouse experiment that 'infection with tuberculosis causes resistance to the new coronavirus infection (COVID-19).'
Mice infected with Mycobacterium tuberculosis are resistant to acute disease caused by secondary infection with SARS-CoV-2
Tuberculosis infection protects mice from developing COVID-19
https://medicalxpress.com/news/2022-03-tuberculosis-infection-mice-covid-.html
Richard Robinson and colleagues at Ohio State University have announced new findings that 'infection with tuberculosis provides resistance to COVID-19.' Robinson et al. Infected two different strains of mice with M. tuberculosis , exposed them to the new coronavirus, and continued to monitor for COVID-19 development, and found no signs of infection. rice field.
When these mice were euthanized and then dissected, it was found that the reason why mice infected with M. tuberculosis did not develop COVID-19 was the 'lungs'. Regarding this, Robinson et al. '1) There are immune cells that limit the activity of the new coronavirus in the lungs infected with the tuberculosis bacterium for some reason.' '2) The acquired immunity elicited by the tuberculosis bacterium is the new coronavirus antigen. It causes a cross-reaction with and causes immunity to COVID-19. ”I think that one or both of these phenomena are occurring.
Until now, tuberculosis and COVID-19 are unlikely to be infected at the same time, and tuberculosis and COVID-19 are prevalent in only one of them, and there is no 'country where tuberculosis and COVID-19 are prevalent at the same time'. As it has been known, the results of this study are reported to explain the relationship between tuberculosis and COVID-19.
Although only COVID-19 has been sought after in recent years, tuberculosis is known to be one of the top 10 causes of death in the world, killing 1.5 million people each year.
Japan Anti-Tuberculosis Foundation-Common sense of tuberculosis 2020
(PDF file) https://jata.or.jp/dl/pdf/common_sense/2020.pdf
'Surprisingly, mice infected with tuberculosis are resistant to COVID-19 in a laboratory environment,' Robinson said. 'The pandemic of tuberculosis and COVID-19 is still ongoing, and this study The result means that 'people who have / have been infected with tuberculosis will not be infected with COVID-19', but 'people who have / have been infected with tuberculosis will not be infected with COVID-19'. It doesn't mean that you don't need it. '
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