Two of the available vaccines, the Pfizer and Moderna ones, use the mRNA vaccine technology.
Both the Johnson & Johnson and AstraZeneca vaccines are viral vector vaccines, which are different.
To be clear: RNA and DNA serve different functions, and, as the Centers for Disease Control and Prevention (CDC) explains, mRNA vaccines don't affect or even interact with our DNA at all.As the CDC explains, mRNA vaccines "teach our cells how to make a protein—or even just a piece of a protein—that triggers an immune response inside our bodies." .
In other words, mRNA vaccines don't inject our bodies with a piece of the coronavirus; instead, they give instructions on how to produce Spike.In other words, the mRNA vaccine doesn't actually inject us with a dead coronavirus, or a piece of the coronavirus hidden in a different virus (as other vaccines do).Regarding the question of DNA: this neat little trick does not happen through manipulation of our DNA, but instead through a process of "tricking" our immune system — specifically, by introducing it to a harmless synthetic piece of the Spike protein that is built and deconstructed in our own cells, via instructions in the mRNA.His interview is a great read if you're interested in learning more about the history of mRNA vaccines, and how they're different from other vaccines you've probably received in your life.
The falsehood that the "mRNA in the vaccine can adversely affect a person's DNA," which is what your family member believes, isn't true — as it's impossible for mRNA to affect or infect a person's DNA.I hope this helps, and that your family member will better understand that mRNA vaccines don't affect a person's DNA?
Both the Johnson & Johnson and AstraZeneca vaccines — which are not mRNA vaccines — have been beset by very rare blood clot issues that have resulted in some countries suspending their usage
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