Blood from recovered COVID-19 patients is a key resource for scientists

A recovered COVID-19 patient donates blood in Beijing.| Photo by Cui Nan/China News Service via Getty Images When a new virus like the novel coronavirus appears and starts infecting people, one critical asset in the fight against it is blood from people who were sick and then recovered. These blood samples can help scientists understand how the immune system responds to it, and can help in the search for therapies to treat the disease.That’s why, this week, the Vaccine Research Center at