Results came back negative despite Barros being pulled out of his MGM Gran fight with Selby at the eleventh hour by the Nevada State Athletic Commission.
Officially, the clinical laboratories Quest Diagnostics determined that no infection by Hepatitis C was present in Barros, as was stated on Friday, in analysis taken after the weigh -in.
The study was conducted on the day of the date was PCR through blood tests, the most effective way to determine whether the virus was a false positive. There should now be a new test by the NSAC to find the causes of the first diagnosis.
In conclusion, there was no risk of infection in the former WBA featherweight world champion, and OFR Promotions (promoters of Barros), determined there was no risk either to Selby.