Understanding COVID-19 testing

What is a coronavirus, how many sorts are there and are they all dangerous? Why are there several tests to detect SARS-CoV-2, the virus causing COVID-19? How do the tests work and which one is to be used when?
If you have plenty of questions around COVID-19, if you want to find out what the difference between molecular and antibody testing is, watch this video for answers!
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Roche has been committed to improving lives since the company was founded in 1896 in Basel, Switzerland. Today, Roche creates innovative medicines and diagnostic tests that help millions of patients globally.
Roche is a leader in research-focused healthcare with combined strengths in pharmaceuticals and diagnostics. Roche is the world’s largest biotech company, with truly differentiated medicines in oncology, immunology, infectious diseases, ophthalmology and neuroscience.
For more information and insights visit: www.roche.com/

[@jeanmariedaniel2145]

Excellent,félicitations, bon anniversaire Ste ROCHE.

[@climax7260]

Thank you

[@enonz761]

What is the maximum value of the scale? AU/ml? How can I understand my result?

[@davidsweeney111]

how sensitive are the antigen and antibody immunoassays

[@roche]

Hi David, Thank you for your question. Due to the fact that we work in a highly regulated industry we cannot answer your question here. If you're a healthcare professional, please reach out to your local Roche affiliate: diagnostics.roche.com/us/en/support.html Kind regards, Your Roche KZbin Team

[@pedromax6878]

How about equivocal result? It means if equivocal result is positive when retesting will be done?

[@roche]

Hi pedromax68, thank you for getting in touch. We understand the importance of test results for both healthcare professionals and patients. Please reach out to your local Roche affiliate for more information about the test. You can find a list of all Roche offices at this link: www.roche.com/about/business/roche_worldwide.htm Kind regards, Your Roche KZbin Team

[@karendamian1101]

What is ms2 control detected mean

[@gribrahim9328]

Perkembangan KZbin luar biasa

[@evelyncrissi2043]

How many times the virus has to duplicate in order for the swab test to come out positive?

[@roche]

Hi Evelyn Crissi, thanks for reaching out! The analytical sensitivity of the Roche PCR Test was established both with the live SARS-COV-2 virus and with a synthetic construct. When testing for sensitivity of the test was able to detect as few as 25 copies/ml. This means that if a patient has 25 copies of a virus in only 1mL of sample the test is able to detect the presence of virus. Kind regards, Your Roche KZbin team

[@evelyncrissi2043]

@@roche Thank you for this information. I read that the test that was available at the beginning of the outbreak will not detect the virus unless it copied at least 3000 times. So my common sense tells me if so, this is why they think that a person can be asymptomatic for about two weeks. But if a test can detect at 25 copies then how long we are looking at? How long it takes to the virus to copy itself 25 times? I assume it depends on the host, but is there an average result? Thank you for the education.

[@misesgermoney]

Evelyn Crissi ...The PCR-Test can’t detect infection or confirm that there is a replicable viral load in the body !!!! It‘s only a nucleic-acid-Test...

[@Cittamatra]

@@roche What stops the primers annealing to non-target RNA in a contaminated sample? The number of nucleotides in the primers are extremely small (just 20-30 bases long) compared with the lengths of non-target RNA lengths. The probability that primers will anneal to their composite RNA strands in genetic material, deactivated viral RNA fragments, (INFLUENZA A & B, broken/de-activated SARS-cov-2 RNA strands from previous infection) is very high. The specificity of SARS-CoV-2 primer protocols in the presence of contaminants within the unpurified snot sample is very small. Temperature cycle numbers are pushed > 40. Mass false-positives.

[@madhur.agarwal]

Hello, I went through Anti-SARS CoV-2 (Roche) test after six weeks of getting first symptom and my result is : 10.76 Can someone explain the result to me?

[@roche]

Hi Madhur Agarwal , Thank you for getting in touch with us. If you have questions regarding your test results, please consult your healthcare provider or get in touch with one of our offices in your country. You can find a detailed list of Roche offices: www.roche.com/about/business/roche_worldwide.htm. Wishing you all the very best. Your Roche KZbin team

[@MrJohann2222]

See a medical professional not an answer on KZbin.

[@Cittamatra]

@@MrJohann2222 No mate, just ask anyway. You can always check his explanation.

[@krishnasaha1952]

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[@sajadyatoo978]

Excellent

[@johnzientek735]

Year old video over 80000 views and only 42 comments🤔

[@sweetbluesteel]

Hi, I'm presenting at the Bio Africa Conference talking about nanodiagnostics. Could I please use your video for explanation at the conference? Thank you in advance.

[@roche]

Hi, sure! The video can be used at the conference, as long as we are clearly referenced as the owner of the content. Thanks and have a good day, the social media team.

[@shambhunathsaraf5123]

Good video. Very well elicited

[@piyapong.ao.be16]

🤔🤔

[@dr.pravinsolanki1953]

Excellent explanatory video.

[@amodraj6576]

Very very intelligent country For Covid-19

[@gabbrialwallace3144]

Literally 99% wont see this but if you do I pray god continue to guide and protect you through this pandemic in jesus name Amen🙏🏾

[@mirandabri834]

God and Jesus is capitalized. Amen