NS1 antigen test (nonstructural protein 1) is a test for dengue, introduced in 2006. It allows rapid detection on the first day of fever, before antibodies appear some 5 or more days later. [1] . It has been adopted for use in some 40 nations.

NS1 antigen testing is recommended to determine dengue infections during the first 7 days of illness. A positive NS1 test result confirms dengue virus infection without providing serotype information. NS1 tests detect the non-structural protein 1 (NS1) of dengue virus. This protein is secreted into the blood during a dengue infection.

NS1 - The non-structural protein 1 (NS1) of the dengue viral genome has been shown to be useful as a tool for the diagnosis of acute dengue infections. It rises from day 1 of the infection. IgM - Its titre increase 7 to 10 days after the infection. IgG - Its titre increase 14 …

2016年9月1日 · Conclusion: NS1 Ag assay holds promise as useful tool in early diagnosis for detecting dengue infection during acute phase of infection when IgM antibodies are not formed to the detectable...

2014年9月1日 · Non-structural protein 1 (NS1)-based tests may offer a larger window of opportunity for dengue diagnosis and could constitute a very useful diagnostic tool. The aim of this study was to establish the overall accuracy of NS1-based tests for diagnosing dengue infection.

2014年10月31日 · NS1 antigen positivity is associated with a higher risk of developing severe dengue especially when positive beyond day 5 of illness in our cohort, and while further validation studies are required, the test can therefore potentially be used as a bedside point of care test as a warning sign of severe dengue.

2021年6月4日 · Screening of DENV infection (NS-1Ag, IgM and IgG) was performed in a point-of-care setting using CareUs Dengue Combo rapid test kit (WellsBio, Seoul, Korea) to detect DENV NS-1Ag, and IgM/IgG antibodies against DENV.

NS-1 Ag detection in the diagnosis of acute dengue infection and to compare it with IgM capture ELISA and PCR. MATERIALS & METHODS: A total of 82 serum samples were received from patients with fever of 4-7 days, from Government Rajaji

2021年12月20日 · What is the dengue NS1 test? NS1 is a conserved glycoprotein that is secreted by the dengue virus and it is transferred into the blood of the infected. During the early clinical phase of the disease, a high quantity of this protein is …

are available targeting DENV NS 1Ag. Here, we evaluated RDT’s in suspected dengue cases to determine their effectiveness for early diagnosis. Material & Method This retrospective study was conducted in Department of Microbiology in a tertiary care center during an outbreak of Dengue from October 2015 to November 2015.