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The Simplexa C. auris Direct is a real-time polymerase chain reaction (RT-PCR) assay intended for use on the LIAISON MDX instrument for the direct in vitro qualitative detection of Candida auris DNA from a composite swab of bilateral axilla/groin from patients suspected of C. auris colonization. The test is intended to aid in the prevention and control of C. auris infection in healthcare settings by detecting C. auris from colonized patients. Positive results indicate that the patient is colonized with C. auris. A positive result cannot rule out co-colonization with other pathogens. A negative result does not preclude C. auris colonization or infection and should not be used as the sole basis for treatment or other patient management decisions. Results are meant to be used in conjunction with other clinical, epidemiologic, and laboratory information available to the clinician evaluating the patient. The test is not intended to diagnose or monitor treatment for C. auris infection. Concomitant cultures are necessary to recover organisms for epidemiological typing or for antimicrobial susceptibility testing.

The Simplexa C. auris RT-PCR system is intended for the amplification and qualitative detection of nucleic acid from Candida auris in composite bilateral axilla/groin swab specimens and consists of the following: 1. The Simplexa C. auris Direct is the RT-PCR assay kit that contains all the reagents for the amplification reaction, including the primers and fluorescent probes for the detection of nucleic acid from Candida auris. The primers and fluorescent probes amplifies the C. auris DNA and Internal Control DNA. In addition, the kit comes with a barcode card, which contains assay specific parameters and lot information. 2. The Simplexa C. auris Positive Control Pack is the separately packaged external positive quality control kit for use with the Simplexa C. auris Direct assay. 3. The Simplexa C. auris Sample Prep Kit is the enzymatic buffer solution to receive the sample solution (bilateral axilla/groin swab in Amies transport media) from the patient. The Simplexa C. auris RT-PCR system is for use with the LIAISON MDX instrument (with LIAISON MDX Studio Software), the RT-PCR thermocycler that amplifies the nucleic acid from biological specimens and uses real-time fluorescence detection to identify targets, and the Direct Amplification Disc (DAD), which is the accessory containing the input sample wells for use on the LIAISON MDX. The instrument and accessory were previously cleared under K102314 and K120413. The instrument is controlled by an external laptop running the software. The DAD consumable is compartmentalized into eight (8) separate wedges and can process up to eight (8) separate specimens or controls on each disc. Each wedge contains sample and reagent input wells, microfluidic channels and laser activated valves to control the fluid flow as well as a reaction/detection chamber.

The DiaSorin Molecular Simplexa™ COVID-19 & Flu A/B Direct is a real-time RT-PCR assay intended for use on the LIAISON® MDX instrument for the in vitro qualitative detection and differentiation of nucleic acid from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), influenza B virus in nasopharyngeal swabs (NPS) from individuals with signs and symptoms of respiratory tract infection. The Simplexa™ COVID-19 & Flu A/B Direct assay is intended for use as an aid in the differential diagnosis of SARS-CoV-2, influenza A and influenza B infection. Negative results do not preclude SARS-CoV-2, influenza B infection and should not be used as the sole basis for patient management decisions. Positive results do not rule out coinfection with other organisms. Results should be combined with clinical observations, patient history, and epidemiological information. The Simplexa™ COVID-19 & Flu A/B Direct assay is intended for use by qualified and trained clinical laboratory personnel specifically instructed and trained in the techniques of real-time PCR and in vitro diagnostic procedures.

The Simplexa™ COVID-19 & Flu A/B Direct assay system is a real-time RT-PCR system that enables the direct amplification, detection and differentiation of SARS-CoV-2 RNA, human influenza A (Flu A) virus RNA and human influenza B (Flu B) virus RNA from unprocessed nasopharyngeal swabs (NPS) that have not undergone nucleic acid extraction. The system consists of the Simplexa™ COVID-19 & Flu A/B Direct assay, the LIAISON® MDX (with LIAISON® MDX Studio Software), the Direct Amplification Disc and associated accessories. In the Simplexa™ COVID-19 & Flu A/B Direct assay, fluorescent probes are used together with corresponding forward and reverse primers to amplify SARS-CoV-2, Flu A, Flu B and internal control RNA targets. For COVID-19 detection, the assay targets two different regions specific to the SARS-CoV-2 genome; the S gene which encodes the spike glycoprotein and the ORF1ab region which encodes wellconserved non-structural proteins and therefore is less susceptible to recombination. For Flu detection the assay targets conserved regions of influenza A viruses (matrix gene) and influenza B viruses (matrix gene). The assay provides three results; COVID-19 (ORF1ab and/or S gene detection), influenza A viruses (matrix gene detection) and influenza B viruses (matrix gene detection). An RNA internal control is used to detect RT-PCR failure and/or inhibition.

The DiaSorin Molecular Simplexa™ Congenital CMV Direct is a real-time PCR assay intended for use on the LIAISON® MDX instrument for the in vitro qualitative detection of cytomegalovirus (CMV) from saliva swabs and urine from infants less than 21 days of age. Positive results from saliva are presumptive and should be confirmed with urine. The results of the Simplexa™ Congenital CMV Direct assay should be used in conjunction with the results of other clinical findings as an aid in the diagnosis of congenital CMV infection. This test has not been cleared for screening of blood products for the presence of CMV or for use with samples other than urine and saliva swabs. DiaSorin Molecular's Simplexa™ Congenital CMV Positive Control Pack is intended to be used as a control with the Simplexa Congenital CMV Direct kit for use on the LIAISON MDX instrument. This control is not intended for use with other assays or systems.

The Simplexa™ Congenital CMV Direct assay is a real-time PCR system that enables the direct amplification and detection of CMV DNA from either saliva swab or urine specimens without nucleic acid extraction. The system consists of the Simplexa™ Congenital CMV Direct Reaction Mix, the LIAISON® MDX (with LIAISON® MDX Studio Software), the Direct Amplification Disc (DAD) and associated accessories. In the Simplexa™ Congenital CMV Direct assay, bi-functional fluorescent probe-primers are used together with corresponding reverse primers to amplify CMV DNA. A well-conserved region of the CMV UL83 gene is targeted to identify CMV DNA. An internal control is used to detect PCR failure and/or inhibition.

The DiaSorin Molecular Simplexa™ COVID-19 Direct is real-time RT-PCR assay intended for use on the LIAISON® MDX instrument for the in vitro qualitative detection of nucleic acid from severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in nasopharyngeal swabs (NPS) and nasal swabs (NS) from symptomatic individuals suspected of COVID 19 by their healthcare provider. The Simplexa™ COVID-19 Direct assay is an aid in the diagnosis of SARS-CoV-2 infection. Positive results are indicative of the presence of SARS-CoV-2 RNA. Clinical correlation with patient history and other diagnostic information is necessary to determine patient infection status. Positive results do not rule out co-infection with other pathogens. Negative results do not preclude SARS-CoV-2 infection and should not be used as tor patient management decisions. Results are meant to be used in conjunction with other clinical, epidemiologic, and laboratory data, in accordance with the guidelines provided by the relevant public health authorities.

The Simplexa COVID-19 Direct is a real-time RT-PCR (rRT-PCR) system that enables the direct amplification and detection of SARS-CoV-2 (COVID-19) RNA from nasopharyngeal swab or nasal swab that has not undergone nucleic acid extraction. The system consists of the Simplexa COVID-19 Direct reaction mix, the LIAISON MDX (with LIAISON MDX Studio Software), the Direct Amplification Disc and associated accessories. The assay uses forward and reverse primers and associated fluorescent probe(s) included in the reaction mix to amplify SARS-CoV-2 cDNA reverse transcribed from RNA. The primers and probe sets are designed to detect SARS-CoV-2 ORF 1ab and S gene from the viral RNA in nasopharyngeal swab or nasal swab. An RNA internal control, with associated primers and a fluorescent probe, is included in the reaction mix to detect RT-PCR failure and/or inhibition.

The DiaSorin Molecular Simplexa™ Flu A/B & RSV Direct Gen II assay is intended for use on the LIAISON® MDX instrument for the in vitro qualitative detection and differentiation of influenza B virus, and respiratory syncytial virus (RSV) RNA in nasopharyngeal swabs (NPS) from human patients with signs and symptoms of respiratory tract infection in conjunction with clinical and epidemiological risk factors. This test is intended for use as an aid in the differential diagnosis of influenza A. influenza B. and RSV viral infections in humans. Negative results do not preclude influenza virus or RSV infection and should not be used as the sole basis for treatment or other patient management decisions. Performance characteristics for influenza A were established with clinical specimens collected during the 2010/2011 influenza season when 2009 H1N1 influenza and H3N2 were the predominant influenza A viruses in circulation. When other influenza A viruses are emerging, performance characteristics may vary. If infection with a novel influenza A virus is suspected based on current clinical and epidemiological screening criteria recommended by public health authorities, specimens should be collected with appropriate infection control precautions for novel virulent Influenza viruses and sent to the state or local health department for testing. Viral culture should not be attempted in these cases unless a BSL 3+ facility is available to receive and culture specimens. The DiaSorin Molecular Simplexa™ Flu A/B & RSV Positive Control Pack is intended to be used as a control with the Simplexa™ Flu A/B & RSV Direct kit and the Simplexa™ Flu A/B & RSV Direct Gen II kit for use on the LIAISON® MDX instrument. This control is not intended for use with other assays or systems.

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The DiaSorin Molecular Simplexa™ VZV Swab Direct assay is intended for use on the LIAJSON® MDX instrument for the qualitative detection of varicella-zoster virus (VZV) DNA present in cutaneous and mucocutaneous lesion swabs from patients with signs and symptoms of VZV infection. This test is intended as an aid in the diagnosis of VZV infection. Negative results do not preclude VZV infection and should not be used as the sole basis for treatment or other patient management decisions. The Simplexa™ VZV Positive Control Pack is intended to be used as a control with the Simplexa™ VZV Direct kit and the Simplexa™ VZV Swab Direct kit on the LIAISON® MDX Instrument. It is not intended for use with other assays or systems.

The Simplexa™ VZV Swab Direct assay is a real-time PCR system that enables the direct amplification and detection of VZV DNA from unprocessed cutaneous and mucocutaneous lesion swab specimens without nucleic acid extraction. The system consists of the Simplexa™ VZV Swab Direct assay, the LIAISON® MDX (with LIAISON® MDX Studio Software), the Direct Amplification Disc (DAD) and associated accessories. In the Simplexa™ VZV Swab Direct assay, fluorescent probes are used together with corresponding forward and reverse primers to amplify VZV and internal control targets. A well-conserved region of the VZV DNA polymerase gene is targeted to identify VZV DNA in the specimen. An internal control is used to detect PCR failure and/or inhibition.

The DiaSorin Molecular Simplexa™ VZV Direct assay is intended for use on the LIAISON® MDX instrument for the qualitative detection of varicella-zoster virus (VZV) DNA in cerebrospinal fluid (CSF) from patients signs and/or symptoms of meningitis and/or encephalitis. This test is intended as an aid in the diagnosis of VZV infections of the central nervous system (CNS). Negative results do not preclude VZV infection and should not be used as the sole basis for treatment or other patient management decisions. The assay is not intended for use as a donor screening test. The assay is for professional use only. The Simplexa™ VZV Positive Control Pack is intended to be used as a control with the Simplexa™ VZV Direct kit. This control is not intended for use with other assays or systems.

The Simplexa™ VZV Direct assay is a real-time polymerase chain reaction (PCR) system that enables the direct amplification and detection of VZV DNA from unprocessed cerebral spinal fluid (CSF) specimens without nucleic acid extraction. The system consists of the Simplexa™ VZV Direct assay, the LIAISON® MDX (with LIAISON® MDX Studio Software), the Direct Amplification Disc and associated accessories. In the Simplexa™ VZV Direct assay, fluorescent probes are used together with corresponding forward and reverse primers to amplify VZV and internal control targets. A well-conserved region of the VZV DNA polymerase gene is targeted to identify VZV DNA in the specimen. An internal control is used to detect PCR failure and/or inhibition.

The DiaSorin Molecular Simplexa™ Bordetella Direct assay is an in vitro diagnostic test intended for use on the LIAISON® MDX instrument for the qualitative detection and differentiation of Bordetella pertussis and Bordetella parapertussis nucleic acids from nasopharyngeal swab (NPS) specimens from patients with signs and symptoms of Bordetella infection of the respiratory tract. The Simplexa™ Bordetella Direct assay is performed on the LIAISON® MDX instrument and utilizes real-time PCR amplification to detect B. pertussis by targeting the IS481 insertional element of the B. pertussis genome and to detect B. parapertussis by targeting the IS1001 insertional element of the B. parapertussis genome. The IS481 insertional element can also be present in B. holmesii and B. bronchiseptica. Specimens collected from patients with respiratory infection caused by B. pertussis, B. holmesii or B. bronchiseptica may yield positive test results in IS481 assays. B. holmesii infection may cause clinical illness similar to B. pertussis, and mixed outbreaks involving both B. pertussis and B. holmesii infection have been reported. Additional testing should be performed if necessary to differentiate B. holmesii and B. pertussis. B. bronchiseptica is a rare cause of infection in humans. When clinical factors suggest that B. pertussis may not be the cause of respiratory infection, other clinically appropriate investigation(s) should be carried out in accordance with published guidelines. Negative results for the Simplexa™ Bordetella Direct assay do not preclude Bordetella infection and positive results do not rule out co-infection with other respiratory pathogens. Results from the Simplexa™ Bordetella Direct assay should be used with other clinical findings and epidemiological information as an aid in diagnosis of Bordetella infection. Test results should not be used as the sole basis for treatment or other patient management decisions. Simplexa™ Bordetella Positive Control Pack The Simplexa™ Bordetella Positive Control Pack is intended to be used as a control with the Simplexa™ Bordetella Direct kit. This control is not intended for use with other assays or systems.

The Simplexa™ Bordetella Direct assay system is a real-time PCR assay that enables the direct amplification, detection and differentiation of Bordetella pertussis and Bordetella parapertussis DNA from unprocessed nasopharyngeal swabs (NPS) without nucleic acid extraction. The system consists of the Simplexa™ Bordetella Direct assay, the LIAISON® MDX (with LIAISON® MDX Studio Software), the Direct Amplification Disc and associated accessories. In the Simplexa™ Bordetella Direct assay, primers and fluorescent probes are used together to amplify and detect Bordetella pertussis, Bordetella parapertussis and internal control targets. Insertion sequences IS481 and IS1001 are targeted to identify Bordetella pertussis and Bordetella parapertussis DNA respectively in the specimen. An internal control is used to detect PCR failure and/or inhibition.

The DiaSorin Molecular Simplexa™ GBS Direct assay is a real-time polymerase chain reaction (PCR) assay intended for use on the LIAISON® MDX instrument for the in vitro qualitative detection of Group B Streptococcus (GBS) nucleic acid from 18 to 24 hour Lim broth enrichments of vaginal/rectal specimen swabs obtained from antepartum women. Assay results can be used as an aid in determining the colonization status of antepartum women, but are not intended to diagnose or monitor treatment of a GBS infection. The Simplexa™ GBS Direct assay does not provide susceptibility results. Culture isolates are needed to perform susceptibility testing as recommended for penicillin-allergic women. Simplexa™ GBS Positive Control Pack The Simplexa™ GBS Positive Control Pack is intended to be used as a control with the Simplexa™ GBS Direct kit. This control is not intended for use with other assays or systems.

The Simplexa™ GBS Direct assay system is a real-time PCR system that enables the direct amplification and qualitative detection of Group B Strep bacterial DNA from vaginal swabs enriched in Lim Broth for eighteen to twenty-four (18 to 24) hours that have not undergone a nucleic acid extraction. The system consists of the Simplexa™ GBS Direct assay, the LIAISON® MDX (with LIAISON® MDX Studio Software), the Direct Amplification Disc (DAD) and associated accessories. In the Simplexa™ GBS Direct assay, primers and fluorescent probes are used together to amplify Group B Streptococcus bacterial DNA and the Internal Control (DNA IC). The assay targets a conserved region of the cfb gene to identify Group B Streptococus in the specimen. The DNA IC is used to detect PCR failure and/or inhibition.

Simplexa™ Bordetella Direct MOL2750 The DiaSorin Molecular Simplexa™ Bordetella Direct MOL2750 assay is an in vitro diagnostic test intended for use on the LIAISON® MDX instrument for the qualitative detection and differentiation of Bordetella pertussis and Bordetella parapertussis nucleic acids from frozen nasopharyngeal (NPS) specimens from patients with signs and symptoms of Bordetella infection of the respiratory tract. The Simplexa™ Bordetella Direct assay is performed on the LIAISON® MDX instrument and utilizes realtime PCR amplification to detect B. pertussis by targeting the IS481 insertional element of the B. pertussis genome and to detect B. parapertussis by targeting the IS1001 insertional element of the B. parapertussis genome. The IS481 insertional element can also be present in B. holmesii and B. bronchiseptica. Specimens collected from patients with respiratory infection caused by B. pertussis, B. holmesii or B. bronchiseptica may yield positive test results in IS481 assays. B. holmesii infection may cause clinical illness similar to B. pertussis, and mixed outbreaks involving both B. pertussis and B. holmesii infection have been reported. Additional testing should be performed if necessary to differentiate B. holmesii and B. pertussis. B. bronchiseptica is a rare cause of infection in humans. When clinical factors suggest that B. pertussis may not be the cause of respiratory infection, other clinically appropriate investigation(s) should be carried out in accordance with published guidelines. Negative results for the Simplexa™ Bordetella Direct assay do not preclude Bordetella infection and positive results do not rule out co-infection with other respiratory pathogens. Results from the Simplexa™ Bordetella Direct assay should be used with other clinical findings and epidemiological information as an aid in diagnosis of Bordetella infection. Test results should not be used as the sole basis for treatment or other patient management decisions. Simplexa™ Bordetella Positive Control Pack MOL 2760 The Simplexa™ Bordetella Positive Control Pack MOL2760 is intended to be used as a control with the Simplexa™ Bordetella Direct kit. This control is not intended for use with other assays or systems.

The Simplexa™ Bordetella Direct assay system is a real-time PCR assay that enables the direct amplification, detection and differentiation of Bordetella pertussis and Bordetella parapertussis DNA from unprocessed nasopharyngeal swabs (NPS) without nucleic acid extraction. The system consists of the Simplexa™ Bordetella Direct assay, the LIAISON® MDX (with LIAISON® MDX Studio Software), the Direct Amplification Disc and associated accessories. In the Simplexa™ Bordetella Direct assay, primers and fluorescent probes are used together to amplify and detect Bordetella pertussis, Bordetella parapertussis and internal control targets. Insertion sequences IS481 and IS1001 are targeted to identify Bordetella pertussis and Bordetella parapertussis DNA respectively in the specimen. An internal control is used to detect PCR failure and/or inhibition. The DiaSorin Molecular Simplexa™ Bordetella Direct kit contains sufficient reagents for 24 reactions. Upon receipt, store at -10 to -30ºC (do not use a frost-free freezer). Each vial contains sufficient material for a single reaction. Use within 30 minutes of thawing.