Vincere Cancer Center 7469 E Monte Cristo Ave, Scottsdale, AZ 85260
World Class Contemporary
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Covid - 19 Testing and Vaccination
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city of phoenix and vincere mobile covid testing
The City of Phoenix will be offering Mobile COVID Antigen and Antibody testing with immediate results and Rapid PCR Confirmation throughout the city in association with Vincere. Stay tuned for location and dates!
Covid antigen and antibody testing
Vincere offers Covid - 19 Antigen and Antibody Testing. Antigen testing is identifying the virus particles themselves, while antibody testing is identifying the IgM and IgG antibodies produced by our immune systems to the virus particles. Both tests are beneficial as described below.
Covid - 19 Antigen Testing
Vincere is pleased to offer the Sofia SARS Antigen Test by Quidel. The Antigen test works by a Fluorescent Immunoassay for qualitative detection of the nucleocapsid protein from SARS-CoV-2 (COVID-19). What this means is the test identifies the Virus itself. The sample is taken from a nasal or nasal-pharyngeal swab. For the test to be positive, the virus needs to be present in the sample. If the patient has already recovered from the infection, then the test will likely be negative. There, however, may be a period of viral shedding after recovery that still may come up as positive on the test. Also, it may take 7 days after exposure for the body to have enough virus particles for the test to be positive.
COVID - 19 antibody testing
Vincere also offers antibody tests. When testing for IgM and IgG antibodies, we are testing for the immune system's response to the virus, rather than the virus itself. The benefit of this is to show current or previous infection response and to show possible immunity to future infections. Like the Antigen test, it may take 7 days after exposure for the test to be positive. There are exceptions to this but in general, the immune system starts making IgM antibodies 7 days after exposure to the virus and continues to produce these antibodies for a few weeks. This IgM antibody is the antibody of current infection. Overlapping this is the IgG antibody. It starts production at about 14 days after exposure and continues for months to years. Not everyone that has exposure to COVID-19 produces IgG antibodies however. It is not know at this time how long or the degree of immunity provided by the IgG antibodies, but it is estimated that it may last for approximately 3 years.
COVID - 19 Rapid PCR
What is the difference between Rapid Antigen and Rapid PCR Test?
- Antigen test (frequently referred to as a rapid test). This test detects protein fragments specific to the Coronavirus. It can be done in a clinic, doctor’s office, or hospital. Turnaround time for results is usually very quick and in some cases, results can be reported within 15 minutes. Antigen test can be a good quick test for symptomatic patients, however, PCR is much better for patient's with no symptoms, and may have had an exposure and carrying the virus.
- PCR test. PCR testing is considered the “gold standard” in SARS-CoV-2 detection. This test actually detects RNA (or genetic material) that is specific to the virus and can detect the virus within days of infection, even those who have no symptoms. The test can be done at a testing site, and then sent to our lab. Turnaround time is longer, generally in the 2-3 day range or a week or longer for most PCR labs, However, our results are usually next business day.