Vidcast:  https://youtu.be/zFl5YnLr4mA

 

Vaccination with one of the mRNA CoVid vaccines, Moderna or Pfizer, is 5 times more protective against a subsequent CoVid infection compared with a natural CoVid infection.  So says the CDC after its VISION Network reviewed data from 201,000 CoVid hospitalizations in 9 different states and found 7,000 persons to analyze in depth.  They compared the risk of testing positive for CoVid for those who had a documented CoVid infection 3 to 6 months before to those who completed a course of mRNA vaccination 3 to 6 months before.  All infections and vaccinations were documented by verified electronic health records.

 

The data analysis shows that the previously infected but unvaccinated persons were 5.5 times more likely to again test positive for CoVid compared with fully vaccinated persons who never had a previous CoVid infection.  Comparing the two vaccines, the risk of reinfection for the unvaccinated was 7.3 times higher than for those receiving the Moderna vaccine compared with 5.1 times higher for those receiving the Pfizer.  Thus, the Moderna vaccine appeared about 30% more effective than the Pfizer.  The protective effect of vaccination versus infection trended even higher for older persons though the differences were not statistically significant.

 

The bottom line: get vaccinated and maintain good immunity through boosting.  If infected in the past, still get vaccinated.

 

https://www.cdc.gov/mmwr/volumes/70/wr/mm7044e1.htm?s_cid=mm7044e1_w

 

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