Exact(35)
Whenever a serum specimen was received and ready for the diagnostic test, a strip was removed from its wrapper and washed four times with PBST.
The long march protocol was also applied to RNA extracted from a serum specimen from a patient with HBV-related acute liver failure ("HBV sample") in order to assess its applicability to metagenomic analysis.
Overall, 83 (93%) of 89 persons with a repeat confirmatory test had a repeat confirmatory test performed on a serum specimen, including 18 whose initial confirmatory test was conducted using oral fluid (Figure 1).
When possible, a serum specimen was collected from controls.
A serum specimen from elephant 4 was positive at admission.
A serum specimen obtained on March 1 showed an IFA titer of 64 against Lassa virus.
Similar(25)
The A-1 to A-6 serum specimens, which were collected from animals captured within a 10 km area, strongly reacted to A/whooper swan/Mongolia/4/2005 (clade 2.2) and more weakly to other clades of subtype H5N1, H5N2, and H5N3 viruses.
A control serum specimen with a low content of IgE to rice seed proteins was also analyzed for comparison.
Eligible participants were US military beneficiaries (persons entitled to receive care at a military treatment facility) for whom a stored serum specimen, collected from 3 days before ALT increase through 180 days after ALT increase, was available for HEV testing.
Moreover, 53% of suspected cases lacked a convalescent serum specimen and thus yielded indeterminate results from laboratory testing.
An IgG titer ≥163,840 in a single serum specimen was also considered laboratory-positive for recent, secondary dengue infections even without positive virus identification results.
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