Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Algorithm for workup for hepatitis B virus serology and antiviral prophylaxis in patients with chronic hepatitis B who are going to receive COVID-19 immunosuppressive therapies. ALT = alanine aminotransferase; Anti-HBc = antibody to hepatitis B core antigen; anti-HBs = antibody to hepatitis B surface antigen; HBsAg = hepatitis B surface antigen; HBV = hepatitis B virus; NA = nucleos(t)ide analogue; -ve = negative; + ve = positive
