And here comes the ominous, on cue:
https://www.nationalgeographic.com/s...1F08C5E04F681F
Lambda and other variants are undoubtedly in the US but haven't yet reached significant numbers. Anything short of shutting down will spread these variants. The unvaccinated will spread them. The vaccinated will spread them. If the vaccinated loosen their behaviors and engage in riskier "normal" behaviors, the debate becomes which population, the vaccinated or unvaccinated, is spreading the variants to what degree.