Publications by authors named "Nathan Szerman"

Article Synopsis
  • The study aimed to evaluate the connection between the concentration of anti-HBs antibodies and their ability to neutralize the hepatitis B virus, revealing that higher antibody levels do not always correspond to better neutralization effectiveness.
  • It involved comparing IgG antibodies from individuals who received different types of hepatitis B vaccines or recovered from infection and testing their neutralization activity in vitro.
  • The findings suggest that measuring anti-HBs levels alone is inadequate for assessing neutralization, recommending the inclusion of neutralization assays in quality control and highlighting the importance of matching vaccine types with circulating HBV strains.
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To date, four subgroups of avian metapneumoviruses have been defined (AMPV-A, B, C and D) based on genetic and antigenic differences. The extent of infection in the three principal species (turkeys, chickens and ducks) by these subgroups is, however, not well defined. Here, a series of controlled and ethically approved experimental infections were performed in specific pathogen-free turkeys, chickens and ducks with each of the four AMPV subgroups.

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