Sentence examples for initially negative for from inspiring English sources

One dog, a 1 year old female entire standard poodle, was initially negative for P450scc autoantibodies, but seroconverted 18 months after diagnosis.

ELISA for detecting IgM and IgG antibodies against Hendra viral antigens were equivocal for the CSF specimen, and tested initially negative for the first serum sample but subsequently positive for the repeat serum sample.

Four patients, initially negative for H. pylori infection ( =  day 0), were challenged with a H. pylori strain lacking a functional cagPAI [19], [20].

A total of thirty-six Indian-origin rhesus macaques (Macaca mulatta), which were initially negative for HIV-2, SIV, type D retrovirus, and STLV-1 infection were examined in this study.

Thirteen female Indian RMs (Macaca mulatta) between 3 16 years of age, which were initially negative for HIV-2, SIV, type D retrovirus and STLV-1 infection were used in this study.

Of note, amongst HHCs who were initially negative for IFNγ production in response to CFP-10, 43.1% became positive when retested, 42.0% of them with increases ≥30% of initial values [36].

Also, he reviewed the files of patients with initially negative results for further diagnoses in the subsequent 6 months.

A primary HIV infection was defined by (i) a negative or indeterminate HIV antibody enzyme linked immunosorbent assay associated with HIV RNA positive plasma or (ii) an initially negative test for HIV antibodies followed by a positive serology within 18 months.

Repetition-related increases of an initially negative response were observed for both object types in both age groups in parts of the default network, suggesting that less attention was required for processing repeated stimuli.

PML was suspected in cases 2 4, but CSF PCR for JCV was initially negative.

An important finding was that rapid screening tests were initially negative in eight of the 13 children, underscoring the need for more-sensitive tests.