Scientists are looking at whether it will be safe to give a COVID-19 vaccine to previously infected individuals, since many of them may not be aware that they had the coronavirus.

Army scientists, the nation’s top clinicians and pharmaceutical researchers working on COVID-19 vaccines also want to know whether vaccinating individuals who have already recovered might boost their natural immunity, helping stave off a potential second infection.

Answering those questions will be critical to determining the effectiveness of a vaccine, the potency of naturally induced antibodies, and whether individuals who want to be vaccinated will require antibody testing beforehand to determine whether they had COVID-19.

To read the full story, check out the Fort Worth Star-Telegram