Blood Donors. Shows the levels of anti-HBs in 520 randomly selected donors who were not infected with HBV. Of the 231 immune donors in this subgroup , more than 65 percent had been 29 years or younger, that was in keeping with the mean age of 26 years for the 9 donors with HBV infection, of whom 6 had been vaccinated. Origin of HBV An infection The sexual partners of infected donors were traced when possible, and four were discovered to have HBV infection. In all full situations, the sequences of the presurface and surface area regions of the HBsAg gene had been nearly similar at the nucleotide level and the amino acid level in two laboratories, as had been the full genome sequences in donor 013 and his sexual partner, which strongly shows that infection occurred between vaccinated donors and their sexual companions who carried high viral loads , which were in keeping with chronic hepatitis B.This transaction will allow for increased distribution of the Caiman product line, said Roseanne Varner, Chief and President Executive Officer of Aragon, while providing our clients with the continued top quality service they attended to expect. .. Aesculap acquires possessions of Aragon Surgical Aesculap announced today that it has acquired the assets of Aragon Surgical, Inc. Aragon Medical specializes in advanced radio frequency electrosurgical instruments for cells fusion and slicing. The Caiman advanced energy products complements Aesculap’s already considerable type of endoscopic and open surgical instruments, positioning the ongoing company to better meet the requires of the changing medical community.