No, a reason a person might want to get the J&J is because it is only a single shot or it is more readily available in their location. For a variety of reasons, it may be problematic for them to get a second shot of Pfizer or Moderna. Suggesting that anyone only get a single shot of the Pfizer or Moderna is silly - you do not know more than the developers and clearly the vaccine is designed to have two shots. I have not heard anyone suggest that the Pfizer or Moderna should be used as a single shot. There have been suggestions that the second shot could be delayed more than 3-4 weeks.
Any comparisons of efficacy between Pfizer/Moderna and J&J, regardless of the number of shots or Pfizer/Moderna, is meaningless. Stating that a single shot of Pfizer/Moderna is more effective than J&J is simply not a valid statement. The definition of a "positive" result during the trials, which was used for the efficacy calculation, was not the same for the trials of Pfizer, Moderna, and J&J. Nor was the timeframe of the trials or the populations that were used in the trials or the age profiles of those in the trials or the coronavirus variants that may have been in the populations of the trials. The best anyone can reasonably state is that the two-shot Pfizer and Moderna vaccines appear to be as effective as the single shot J&J in preventing serious disease or death. Health professionals have gone on record as stating that you should make your choice of vaccine based on whichever one you have faster access to.
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Originally Posted by coffeebean
My point is that the J&J is being touted as the "one and done" vaccine. OK, I get that BUT.......the Moderna and Pfizer can ALSO BE ONE AND DONE vaccines and they STILL have a better efficacies than the J&J vaccine and only one shot.
The only reason that I can see for anyone to get the J&J vaccine is if that person is leery of the mRNA technology of the Moderna and Pfizer vaccines. As for J&J being the "one and done" vaccine, that should not be a part of the equation because the Moderna and Pfizer can also be one and done with a BETTER efficacy than the J&J.
Hope that makes my point clearer.
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