Sars cov 2 Antigen Rapid Test Kit



The Coronavirus sickness 2019 (COVID-19) pandemic continues to unfold internationally. Due to this fact, there’s an urgent need for quick, straightforward, and proper assessments to diagnose excessive acute respiratory syndrome coronavirus 2 (SARS-CoV-2) an an infection. Effectivity traits of the speedy SARS-CoV-2 antigen detection check out must be evaluated and in distinction with the gold customary real-time reverse transcription-polymerase chain response (RT-PCR) check out for prognosis of COVID-19 situations.


The speedy SARS-CoV-2 antigen detection check out, Customary Q COVID-19 Ag tools (SD Biosensor®, Republic of Korea), was in distinction with the real-time RT-PCR check out, Allplex 2019-nCoV Assay (Seegene®, Korea) for detection of SARS-CoV-2 in respiratory specimens. Four hundred fifty-four respiratory samples (primarily nasopharyngeal and throat swabs) had been obtained from COVID-19 suspected situations and communicate to folks, along with pre-operative victims at Siriraj Hospital, Bangkok, Thailand all through March–Would possibly 2020.

Effectivity Traits

JOYSBIO’s coronavirus Ag check out tools was independently evaluated at Centro Diagnostico Delta S.r.l. in Italy between October 2020 and January 2021. An entire of 107 constructive specimens had been examined with JOYSBIO’s COVID-19 Antigen Speedy Test Tools. These specimens had been collected from victims who’re suspected of COVID-19 with nasal swabs. The coronavirus antigen check out tools’s sensitivity and specificity are in distinction in the direction of a CE-IVD marked RT-PCR check out tools. This medical evaluation is carried out beneath the concept that SARS-CoV isn’t spreading regionally. 

Based mostly on the medical analysis of 492 samples, the detection sensitivity is 98.13%, and the specificity is 99.22%.

  • Constructive % Settlement (PPA) = 105/107 (98.13%) (95%CI: 93.4%~99.8%)
  • Antagonistic % Settlement (NPA) = 382/385 (99.22%) (95%CI:97.7%~99.8%)
  • Accuracy = (105+382)/492×100%=98.98%
  • Kappa = 2×(105×382-3×2)/(108×385+107 ×384) = 0.97>0.5

The limit of detection (LOD) of this product is 1.6 x 102 TCID50/mL, calculated by way of a gradient dilution methodology.

Please Observe:

 Underneath listed kits are validated with the talked about batch amount solely. Obligation for batch to batch consistency would not lies with ICMR.
 Minimal acceptance requirements of sensitivity and specificity of Speedy Ag Test Kits:
 Validated as a Stage of Care Test (POCT) with out transport to a laboratory setupSensitivity: 50% and above; Specificity: 95% and above
 Validated in a laboratory setup with samples collected in Viral Transport Medium (VTM)- Sensitivity: 70% and above; Specificity: 99% and above
 Antigen based speedy assessments which can be US-FDA permitted might be utilized instantly after due promoting and advertising and marketing approval from DCGI.

sars cov 2
sars cov 2

In June 2020, JOYSBIO Biotechnology proudly launched a model new COVID-19 Antigen Speedy Test Tools (Colloidal Gold). The model new coronavirus antigen check out tools is a lateral transfer immunoassay for the qualitative detection of SARS-COV-2 antigen (nucleocapsid protein) in larger respiratory samples with nasal swabs or saliva in the midst of the acute part of an an infection. An uncut sheet format is on the market.


  • 15-minute speedy detection
  • Simple-to-operate coronavirus antigen check out
  • A lot less-invasive nasal (NS) swab sample assortment
  • CE-IVD marked
  • Accessible in half/5/20 assessments/subject.

COVID-19 Antigen Test Course of

  1. Twist off the cap of the buffer bottle, fastidiously dispense all buffer into the extraction tube。 
  2. After accumulating larger respiratory sample with nasal swab, insert the swab into the extraction tube, plunge the swab up and down throughout the fluid for at least 10 seconds. Keep the swab in the direction of the underside of the tube, rotate three turns. DO NOT splash liquid out of the tube. 
  3. Take away the swab whereas squeezing the sides of the tube to extract the liquid from the swab. 
  4. Press the nozzle cap firmly onto the extraction tube. Mix utterly by swirling or flicking the underside of the tube. 
  5. Gently squeeze the tube’s rigid physique, dispense two (2) drops of the buffer-specimen mixture into the sample properly on the coronavirus antigen check out cassette.
  6. Study the check out outcomes between 15 and 20 minutes. Do not study the outcomes after 20 minutes.


Key Components

  • This interim guidance is supposed for healthcare suppliers who order antigen assessments, receive antigen check out outcomes, or perform point-of-care testing, along with for laboratory professionals who perform antigen testing in a laboratory setting or on the extent of care and report these outcomes.
  • The intention of this interim technical guidance is to assist environment friendly medical and public nicely being use of antigen assessments for varied testing situations.
  • This guidance applies to all medical and shopper makes use of of antigen assessments and is not specific to any particular age group.
sars cov 2 infection
sars cov 2 infection



Of 454 respiratory samples, 60 (13.2%) had been constructive, and 394 (86.8%) had been detrimental for SARS-CoV-2 RNA by real-time RT-PCR assay. The size from onset to laboratory check out in COVID-19 suspected situations and communicate to folks ranged from Zero to 14 days with a median of three days. The speedy SARS-CoV-2 antigen detection check out’s sensitivity and specificity had been 98.33% (95% CI, 91.06–99.96%) and 98.73% (95% CI, 97.06–99.59%), respectively. One false detrimental check out consequence was from a sample with a extreme real-time RT-PCR cycle threshold (Ct), whereas 5 false constructive check out outcomes had been from specimens of pre-operative victims.

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