Doctor insights on:
Pertussis In Nasal Swab Pcr Test
I had unprotected oral sex on me I saw no blood I have no sores I am circumsized I have tooken a HIV dna pcr test at 18 days and a 46 also a 4 week and 6 week duo test and a 8 week rapid test am I ok?
You're OK: Oral sex is safe sex for HIV, with no proved transmissions by fellatio from mouth to penis, only rare ones penis to oral. You didn't need testing on account of this event and for sure not the multiple expensive ones you had. But the results from that combination of tests are conclusive. For sure you didn't catch HIV during that exposure and no further testing is needed. Best wishes and stay safe! ...Read more
Polymerase chain reaction is a method of finding a specific piece of dna and copying it over and over again until there is enough to study. The technique allows a scientist to detect very small amounts of dna in a swab sample then reproduce enough of it to study it. It is very sensisitive for detecting the presence of certain bacteria and is also used in doing other ...Read more
What is the window period for p42 antigen/ antibody dual 4th gen HIV test? And the window period for HIV RNA PCR test? When can it be conclusive?
See below: Please consult this site for a detailed answer. Nucleic acid tests are conclusive about a month after acquiring infection. http://www.sfaf.org/hiv-info/testing/hiv-test-window-periods.html ...Read more
Pertussis was foun: It means that they found evidence that the bacteria that causes whooping cough was present in the nasal passages. This could mean you are a carrier of the disease (could infect others) or if you are having symptoms or repeated, serious cough, then you likely got infected by the pertussis bacteria and have whooping cough. ...Read moreSee 1 more doctor answer
Rapid screening test: Dfa--direct fluorescent antibody test--a rapid diagnostic test done in the lab that takes 1-2 days to screen for pertussis (whooping cough). While much faster than a culture, this test is not as reliable. A nasal swab is inserted gently into the nostrils toward the throat (posterior nasopharynx). Then fluorescently labeled antibodies are exposed to the sample looking for pertussis antigens/markers. ...Read moreSee 1 more doctor answer
Unclear question: What is partner positive for? In any case if you have any doubt do not engage in any sexual activity without a condom. Hpv some other stds may not prevented even with a condom. It would be prudent for both of you talk to your partner's doctor before engaging in sex. ...Read moreSee 1 more doctor answer
PCR test for: what? Need more information.Get a more detailed answer ›
High: Since the test is looking for the virus itself it is very specific. There should be no false positives of titers that are significantly above the minimum of detection (of course some human error is always possible). Similarly, since it amplifies any detected viral RNA a million-fold, it is also very sensitive. ...Read more
Does a weak or moderate hemolysis (of blood serum) have any effect on qualtative HCV rt-pcr test?
If the HIV dna/pcr test is used for early detection, is it more or less sensitive between the 3-6 month period?
HIV PCR Test: This test is 100% accurate fourteen to twenty-one days after exposure. It does not need to be repeated after that if you are negative. ...Read more
What is the level of sensitivity of the HIV-1 RNA PCR test by Aptima? Is it accurate at 2 to 3 weeks post exposure?
Yes: Read the CDC updated recommendations on HIV testing. The rationale for this test being available is that HIV RNA is detectable in plasma before antibodies. A safe approach is to be tested after the eclipse period after potential exposure when no RNA nor antibodies to HIV can be detected. The RNA test is effective around 10 days after infection but seroconversion to antibodies may take 3 months. ...Read more
Is HIV antibodies test conclusive at 3 months after exposure?and is DNA PCR test conclusive after 45 days after exposure?
HIV Infection: Technically speaking PCR is conclusive at the time of infection. The moment HIV enters the human blood stream it explodes. Viral tires go into the multiple millions. So testing by PCR would easily catch this. The problem is..it is not intended to be used as a screening test due to the cost. So..the antibody test at 3 months is good..but 6 months out is needed to be conclusive in my opinion. ...Read more
Is it possible for a person to have HTLV1 symptoms but still test negative on antibody and pcr test ? Immune system is too weak?
See below: It is unlikely that you have HTLV 1. It takes many years for symptoms to develop and person would have positive antibody result. You may consult this site for information on this topic. http://www.webmd.com/hiv-aids/htlv-type-i-and-type-ii For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk prodFor good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex. ...Read more
Had exposure 12-14 yrs ago do i need a pcr test to be conclusive neg.had eia hiv1/2 reflex, serum rapid test, 4 oraquick home tests all neg?
No: No need for more testing especially if you are healthy. ...Read more
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