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A few-year-old review that might be useful is: Pardi, N., Hogan, M., Porter, F. et al. mRNA vaccines — a new era in vaccinology. Nat Rev Drug Discov 17, 261–279 (2018). https://doi.org/10.1038/nrd.2017.243 The tricky part of creating an mRNA vaccine once the "platform" has been developed remains exactly what mRNA sequence do you put into it? ...


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From the links you've supplied, none of these other vaccines have gotten further than phase 2 trials yet. Most seem to only have phase 1 trials started or merely planned so far. These vaccines are not yet available because they have not completed clinical trials that demonstrate safety and efficacy.


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This is certainly possible, however unlikely. It is also not possible to determine the probability that you would be infected. The person have a visible infection at the time of the event. This would further reduce the probability of infection. Symptoms can appear one to three weeks after infection. Alternatively a blood test can detect if you are ...


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