Negative screening for:  influenza A and B viruses; influenza A virus subtypes H1, H3, and H5 including subtype H5N1 of the Asian lineage; parainfluenza virus types 1, 2, 3, and 4; respiratory syncytial virus types A and B; adenovirus; metapneumovirus; rhinovirus; enterovirus; Coronavirus 229E, HKU1, NL63, and OC43