You only responded to my first sentence. To be clear, what the two sentences mean together is, "It is obvious we need intranasal booster vaccinations." I am no

You only responded to my first sentence. To be clear, what the two sentences mean together is, "It is obvious we need intranasal booster vaccinations." I am not in any way saying the intramuscular do not protect the internal body tissues against variants. I am saying that it's important to protect against mucosa infection too to prevent spread and that requires intranasal vaccination.