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Prior TB vaccination seems to offer protection against COVID-19

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  • #1
    subscriber
    Senior Member
    • Nov 2011
    • 929

    Prior TB vaccination seems to offer protection against COVID-19

    If you had a TB vaccination as a kid, chances are that you won't get sick with COVID-19:

    Has the key to a coronavirus vaccine been around since 1922?
    https://www.euronews.com/2020/04/06/has-the-key-to-a-coronoavirus-vaccine-been-staring-us-in-the-face-for-a-century
    Countries that apply mandatory tuberculosis vaccination policies have been found to have fewer COVID-19 deaths, a new study has found.


    Correlation between universal BCG vaccination policy and reduced morbidity and mortality for COVID-19: an epidemiological study
    https://www.medrxiv.org/content/10.1101/2020.03.24.20042937v1
    COVID-19 has spread to most countries in the world. Puzzlingly, the impact of the disease is different in different countries. These differences are attributed to differences in cultural norms, mitigation efforts, and health infrastructure. Here we propose that national differences in COVID- 19 impact could be partially explained by the different national policies respect to Bacillus Calmette-Guérin (BCG) childhood vaccination. BCG vaccination has been reported to offer broad protection to respiratory infections. We compared large number of countries BCG vaccination policies with the morbidity and mortality for COVID-19. We found that countries without universal policies of BCG vaccination (Italy, Nederland, USA) have been more severely affected compared to countries with universal and long-standing BCG policies. Countries that have a late start of universal BCG policy (Iran, 1984) had high mortality, consistent with the idea that BCG protects the vaccinated elderly population. We also found that BCG vaccination also reduced the number of reported COVID-19 cases in a country. The combination of reduced morbidity and mortality makes BCG vaccination a potential new tool in the fight against COVID-19. ### Competing Interest Statement The authors have declared no competing interest. ### Funding Statement No external funding was received. ### Author Declarations All relevant ethical guidelines have been followed; any necessary IRB and/or ethics committee approvals have been obtained and details of the IRB/oversight body are included in the manuscript. Yes All necessary patient/participant consent has been obtained and the appropriate institutional forms have been archived. Yes I understand that all clinical trials and any other prospective interventional studies must be registered with an ICMJE-approved registry, such as ClinicalTrials.gov. I confirm that any such study reported in the manuscript has been registered and the trial registration ID is provided (note: if posting a prospective study registered retrospectively, please provide a statement in the trial ID field explaining why the study was not registered in advance). Yes I have followed all appropriate research reporting guidelines and uploaded the relevant EQUATOR Network research reporting checklist(s) and other pertinent material as supplementary files, if applicable. Yes Data used for the study is attached as supplementary material. All data used is publicly available.
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    • #2
      ACfixer
      Calguns Addict
      • Feb 2012
      • 6053
      Didn't we all have that vax?
      Buy made in USA whenever possible.

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        • #3
          subscriber
          Senior Member
          • Nov 2011
          • 929
          Originally posted by ACfixer
          Didn't we all have that vax?
          If you are around 60 years old, you probably got it in the US. Don't know about those a few decades younger.

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            • #4
              Aeneas
              Senior Member
              • Feb 2014
              • 1127
              Originally posted by ACfixer
              Didn't we all have that vax?
              Usually administered in third world countries, not the US in modern times.

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                • #5
                  subscriber
                  Senior Member
                  • Nov 2011
                  • 929
                  Originally posted by Aeneas
                  Usually administered in third world countries, not the US in modern times.
                  Lucky for me, I was born in a third world country. As in ZA.

                    Comment

                    • #6
                      ACfixer
                      Calguns Addict
                      • Feb 2012
                      • 6053
                      Maybe I'm thinking small pox? Most of us (I was born in 1962) kids had a vaccination scar on our arms growing up, I was thinking it was for TB.

                      Originally posted by subscriber
                      If you are around 60 years old, you probably got it in the US. Don't know about those a few decades younger.
                      I'm 58, but I think I remember my younger sisters had the scar.
                      Buy made in USA whenever possible.

                        Comment

                        • #7
                          Aeneas
                          Senior Member
                          • Feb 2014
                          • 1127
                          Originally posted by subscriber
                          Lucky for me, I was born in a third world country. As in ZA.
                          I work with many people who were also born out of the US, and have received the vaccine. They're no doubt pretty happy with the possibility that they may have some immunity.

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