Alrighty, so the link says that a vaccinated person can still transmit delta if they get it. It doesn't say that they're just as likely as a recently infected unvaccinated person to transmit. And yes, 2 weeks after the second shot is fully vaccinated, that's how long it takes to reach effectiveness. I'm sorry your friends got the virus, but unfortunately anecdotal evidence does not scale to the rest of the population. I don't think I said anything about PCR testing, but yes, it makes sense that they'd phase it out as other tests have become more effective. PCR was one of the earliest, if not the earliest testing methods, and it was better than nothing at the time. Other COVID tests will still catch delta, but they can't tell you if it's delta specifically. But that doesn't really matter, you'd still treat delta and non-delta COVID infections the same way.