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Important caveat from @DhruvKhullar: "we know for sure that the vaccines...prevent severe illness in almost all people who are inoculated...we’re not yet certain that the vaccines can prevent people from becoming infected or infecting others." https://www.newyorker.com/science/medical-dispatch/how-getting-vaccinated-will-and-wont-change-my-behavior
"Moderna tested volunteers for the virus before the second dose, and found fewer asymptomatic cases among those who'd received it compared with those who hadn't––an encouraging, but by no means conclusive, sign of interrupted viral transmission."
"Early in the pandemic, we knew that wearing a mask made you less likely to spread the virus; it took time to confirm that masks protect wearers, too..."
"With vaccines, the order is reversed: we know that an immunized person is protected, and hope to find that vaccination will also protect other, unvaccinated people."
"Until that’s confirmed, getting vaccinated should change very little about one’s behavior. While waiting for new data to come in, or for those around me to get vaccinated, I’ll continue wearing full protective gear when caring for patients."
"And I’ll keep avoiding close contact with friends and loved ones who aren’t vaccinated. I’ll become less worried for myself, but stay worried for everyone else."