Sentence examples for both samples were negative from inspiring English sources

Both samples were negative (titer <100) for the TG ELISA.

Both samples were negative for MYCN and AURKA amplification.

Both samples were negative for influenza A, influenza A(H1N1 pdm09, and other respiratory viruses by the multiplex assay.

However, one fox with no mange lesions showed antibodies in pleural fluid but not in the lung extract and both samples were negative at the WB test.

These might well be false positive results because both samples were negative in the Chekit assay, which is based on an antigen containing lipopolysaccharide shared by several Chlamydiaceae, including Cp. abortus.

(iii) for women with completely excised CIN at hysterectomy, a sample should be taken from the vault at 6 and 18 months after surgery and there should be no further cytology follow-up if both samples are negative.

Both NRIV-positive samples were negative for RVFV RNA but positive for RVFV-specific IgG.

Out of 86 HLB-symptomatic citrus plants, 54 were positive for CLas, 20 were positive for phytoplasmas, 7 were found in mixed infections with both pathogens and 19 samples were negative for CLas and phytoplasmas.

Both stool and mussel samples were negative for parasites and bacterial enteropathogens.

Among these, 98 were positive in both tests (86 MB leprosy; 10 PB; 2 HHC) and 303 samples were negative in both tests.

Subsequent samples were negative by both IF and culture so the pre-transplant conditioning was started.