May 8, 2007 — The US Food and Drug Administration (FDA) has granted premarket approval (PMA) for ACUITY Steerable Lead Models 4554, 4555, and 4556 for use with pacemakers, 510(k) clearance for ...

The agency said that the test is unnecessary for the screening of whole blood and blood components that are screened with nucleic acid tests and core antigen tests.

A study published in Eurosurveillance has found evidence of substantial lifetime exposure to hepatitis B and C viruses in Ukraine in a 2021 nationwide, representative sample of the population, with ...

This image shows hepatitis B core antigen (arrow head) on the cellular membrane in cells transfected with hepatitis B virus. The virus is derived from a patient with acute liver failure.