Vaccines do a good job of protecting us from coronavirus, but fear and confusion about the rise of variants have muddled the message. Here are answers to common questions.
https://www.nytimes.com/2021/04/15/well/live/covid-variants-vaccine.html
* Pfizer-BioNTech
* Moderna
* Johnson & Johnson,
* AstraZeneca
* Sputnik
* Novavax
* Johnson & Johnson
* AstraZeneca
* breakthrough cases
* During the Moderna trial,
* One study found
* The other found
* still remains 90 percent effective
* has reported
* recent study of 149 people in Israel