"It has been a paradox that we repeatedly find the same bacterium in connection with colorectal cancer, while at the same time it is a completely normal part of the gut in healthy people," says ...

Hepatitis B is a serious liver disease caused by the hepatitis B virus (HBV), which is a small DNA virus from the Hepadnaviridae family. If someone has this infection for a long time, it can lead to ...

Chronic hepatitis B (CHB) is a long-term infection of the liver caused by the hepatitis B virus (HBV). While acute hepatitis B infection is often resolved by the immune system, CHB occurs when the ...

Vaccination against hepatitis B is a common recommendation, but what exactly is it preventing? HHS Secretary Robert F. Kennedy Jr. and his advisory group plan to meet this week to discuss and vote on ...

Atomic force microscopy images show hepatitis B DNA in its natural state (left) and a zoomed-in look at how it wraps around human histones during an infection (right). Disrupting this process in an ...

Hepatitis B (HBV) is a viral infection that affects the liver by causing inflammation. This can lead to permanent scarring, what medical professionals call liver fibrosis or cirrhosis. Most hepatitis ...

Bacterial and viral acute sinus infections typically display similar symptoms. The duration of the infection can help determine if it is viral or bacterial. Many viruses, such as the ones that cause ...