Back in October, Dr. Fauci said that the United States will need societal restrictions potentially until the beginning of 2022 according to WebMD:
Coronavirus vaccines -- once approved and distributed widely to the public -- won’t be a “knockout punch” that eradicates the virus, he said. Instead, he expects the process to take time and anticipates a 70% effectiveness rate for an approved vaccine. Public precautions such as face masks and social distancing will need to continue during the distribution process.
Several vaccines that are coming out in the United States are upwards of 90% projected effectiveness. This is a significant increase from the 70% mentioned by Dr. Fauci in October. Because of this marked difference in effectiveness, I would like to know the following....
How long would restrictions likely have to last in the United States if the vaccine was upwards of 90% effective?