and this work. hence, we are limited in what we know and can say. what we do know from the limited information that was provided was that there were several collection missions to this overseas undisclosed site, that multiple methods including pcr, a molecular tests, a molecular and say, as well as cultivation efforts were applied to samples brought back to the united states. from at least one and perhaps two of those overseas collections missions, they were inconsistent but some positive results using the molecular approach, the pcr test that you mentioned. but no positive results from the use of cultivation. from the third collection mission, we are told that both molecular tests and cultivation