Microsoft and a Seattle biotech are seeking 1,000 volunteers to give blood for a virtual coronavirus study. Here's how you can enroll and make up to $250.

· The technology giant Microsoft is working with a Seattle-based biotech to better understand the wide range of immune responses to the novel coronaviruses. 
· The duo are recruiting 1,000 US-based volunteers to enroll in a virtual trial. Eligible people have to live near certain metro areas and have to have been exposed to...