Hepatitis B Virus Reactivation is possible w/ immunosuppression- most (>10%) w/ w/ Rituximab & stem cell transplants. If HBsAg positive, pts should recv anti-viral prophylaxis; HBsAg− individuals should be evaluated on a case-by-case basis https://t.co/7JKorgWbYr https://t.co/RdW65u5KDR