JAMA HBV review - Worldwide, HBV affects ~254 million, causing 1.1 million deaths. In 2022, 14k new HBV infx in the US. HBsAg = ongoing infxn; HBsAb indicates immunity; HBcAg=ongoing or past infection. Do HBV DNA for virus-replication activity https://t.co/Yvdx09DrQ5 https://t.co/88VsTEgFev