I got a texted invite for covid vaccine "from Johns Hopkins Medicine" from a different number, From which I have received appointment confirmations before. The text had a link which connected correctly to my JH MyChart account through the app. I scheduled the appointment through mychart, But I had questions and this callback number was given in MyChart as appointment details. I called and their waiting on hold announcement identified them as jhcp. Org. The person on the phone was able to veri