It takes a lot of people to develop a COVID-19 vaccine. Volunteers may be one of the most important.


As the United States gears up for a massive immunization effort to begin as soon as a coronavirus vaccine is available, health officials are planning the details of the rollout.

While all new vaccines are closely followed once they enter the market, because a COVID-19 vaccine is likely to be released under an Emergency Use Authorization, safety considerations are front and center.

To track reactions in real-time, the first people to be vaccinated against COVID-19 will get daily email and text messages the first week after their shot asking how they’re feeling. After that first week, they’ll continue to get weekly messages for the next month and a half.

The first wave of immunizations are expected to go to up to 20 million Americans classified as essential workers. These