> Maybe my reasoning is too simplistic here, but I'd think NYC was only vulnerable if they too had a poor vaccination culture. Not the case. Vaccines aren't 10

> Maybe my reasoning is too simplistic here, but I'd think NYC was only vulnerable if they too had a poor vaccination culture. Not the case. Vaccines aren't 100% effective. It's possible for an unvaccinated person to infect a vaccinated person. Ideally, everyone is vaccinated, and the risk becomes extremely small.