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Doctor insights on: Influenza Virus A And B Antigen

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Is it required to get both a hep b surface antigen and hep b surface antibody test for a hep b titer?

Is it required to get both a hep b surface antigen and hep b surface antibody test for a hep b titer?

Ag looks for virus: Unless checking to see if recently exposed, the hbsab is what the body makes in response to seeing the outer surface (/shell) of the hep b virus, so they can attack if ever see the virus. Should only need the ab test for titer / to confirm vaccine "take.". ...Read more

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Dr. Eric Weisman
2 doctors shared insights

Influenza (Definition)

Influenza is a viral respiratory infection that causes cough, fever, chills, sore throat, muscle aches and headache. While most healthy people suffer few complications from the flu, it can be deadly for pregnant women, babies and children, the elderly and those with weak immune systems. That's why it's so important to get the flu shot to protect yourself ...Read more


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What are the treatment options for influenza virus a?

What are the treatment options for influenza virus a?

Influenza A: The treatment of influenza a can consist of 3 different avenues: 1) symptomatic treatment only, such as tylenol/advil/ibuprofen/decongestants, 2) antiviral medications if given within 48 hours of onset of illness, such as tamiflu or relenza, (zanamivir) or 3) doing absolutely nothing but rest and push fluids. You may do a combination of all three! most healthy individuals will tackle influenza with time. ...Read more

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What's a hepatitis b antigen?

What's a hepatitis b antigen?

Coat protein : There are a number of antigens associated with hbv, notably surface, core, e, and x. The surface antigen, hbsag, is the surface coat of the virus and the most commonly tested for. ...Read more

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Can the hep b vaccine cause a reactive antibody result on a hep d test?

Can the hep b vaccine cause a reactive antibody result on a hep d test?

No: You may acquire delta agent (hep d) at the same time you are infected with hepatitis b but the vaccine will not show an antibody titer to this other virus. ...Read more

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Can a hepatitis b virus carier have unprotected sex if his partner has received the hepatitis b injection? The count for the virus is 500

Can a hepatitis b virus carier have unprotected sex if his partner has received the hepatitis b injection? The count for the virus is 500

Not responsible!: No, since you're not certain that your partner completed the series of vaccination and responded to the Hepatitis B Vaccine with adequately protective titers of anti-hepatitis b antibodies. If you have detectable virus you can transmit it! please be responsible ; respect the health of others. ...Read more

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I need the hep a vaccine and also the hep b vaccine?

I need the hep a vaccine and also the hep b vaccine?

Using this site: You can get the most from this site when you describe a problem and ask a clear related question. You have written a statement, that you need some vaccines. This site does not provide vaccines or referrals. If you have questions about the vaccines you should state them. Otherwise contact your doc & arrange to get them. ...Read more

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How is a parvo vaccine and a parainfluenza- and parvovirus different?

How is a parvo vaccine and a parainfluenza- and parvovirus different?

Ask your vet: Canine parvovirus is a common viral disease that is caused by the canine parvovirus type 2 (cpv-2) virus. The virus attacks the gastrointestinal tract and immune system of puppies and dogs, causing severe vomiting and diarrhea. It can also attack the hearts of very young puppies. Parvo is a singular vaccine and the other is a combination. You can get better info from your veterinarian. ...Read more

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I'm feeling sick after a hep a and hep b vaccine. Is that normal?

Yes: Vaccines may cause fever, soreness at the site and achiness for several days as a normal series of side effects.Still safer overall to vaccinate.These usually begin within 24hrs. ...Read more

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Hepatitis b antibody.Standard 5 item HBV test, only HBV surface antibody present. How immune is this to a partner of HBV carrier status through sex?

Foolish: If someone is actively and acutely infected with hep b, even the idea of considering unprotected sexual intercourse is ridiculous. Just because immunization status shows immunity to hep b, this is not a 100% guarantee and there are still risks. ...Read more

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What is hepatitis b surface antigen in general?

What is hepatitis b surface antigen in general?

Infection is active: If you are surface antigen postive = protein on the surface of the virus is in its active form which is still floating in your blood and indicates active/on going infectious state. This protein triggers body to produce antibody which can help rid off the infection or preventing it as in case of hepb vaccines. In your case, no antibody or not enough to rid of the antigen. Consult doc. Good luck. ...Read more

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Does a hEPATITIS B SURFACE ANTIGEN W/REFL CONFIRM mean you have the virus?

Does a hEPATITIS B SURFACE                        ANTIGEN W/REFL CONFIRM mean you have the virus?

It sounds like it: I'm not entirely certain about the terminology you report but I would interpret what you have given as confirming that the specimen is positive for hepatitis B surface antigen (a confirmation of which was done "reflexly" when initial test looked positive). This indicates the presence of the active hepatitis B virus and suggests the presence of infectivity. Discuss next steps with your doctor! ...Read more

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Does epstein barr virus make a herpes test positive since the EBV is a herpes simplex virus?

Does epstein barr virus make a herpes test positive since the EBV is a herpes simplex virus?

No: They are separate viruses that stimulate the production of different antibodies that do not cross react. ...Read more

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When is the soonest that a Hepatitis B surface antigen test can detect the virus after exposure?

When is the soonest that a Hepatitis B surface antigen test can detect the virus after exposure?

Hep B surface Ag: It can take 30 to 150 days to develop symptoms of hepatitis B after you become infected. Hepatitis B surface antigens can be found in your blood within 12 weeks after the infection starts. They are one of the earliest signs of a hepatitis B infection. ...Read more

Amanda Xi Dr. Xi
8 doctors agreed:
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Is rotavirus a kind of airborne virus?

Amanda Xi Dr. Xi
8 doctors agreed:
Is rotavirus a kind of airborne virus?

Not likely: Rotavirus is though to spread via the fecal-oral route, so infection occurs in areas of poor sanitation. Good hand washing helps to prevent spread of viruses such as rotavirus. ...Read more

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Dr. Jay Park Dr. Park
3 doctors agreed:
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Would a hepatitis b vaccine be needed for a person who is hepbs ag positive who later becomes hepbs ag negative?

Dr. Jay Park Dr. Park
3 doctors agreed:
Would a hepatitis b vaccine be needed for a person who is hepbs ag positive who later becomes hepbs ag negative?

Probably not but...: Needs more information. The individual who recovers acute hepatitis b infection will have anti-hbs(antibody against heb bs antigen), hb core antibody with negative hbs ag. ...Read more

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Can a Hepatitis B test tell whether the antibodies detected are just from the virus' vaccine, or if they're also from an actual Hep B infection?

Can a Hepatitis B test tell whether the antibodies detected are just from the virus'  vaccine, or if they're also from an actual Hep B infection?

Yes: when testing for hepatitis b there are core and surface antibodies that are tested. Viewing the entire panel of results gives information if it is from the disease or vaccine ...Read more

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Is the influenza a retrovirus?

Is the influenza a retrovirus?

No, but its still...: ...Deadly. Influenza is still a leading killer, inspite of the existence of a vaccine. It is not part of the family of viruses known as retroviruses, which tend to incorporate themselves into the genome of the host cell. Get your flu-shopt every year and wash your hands regularly during the flu-season. ...Read more

Antigen (Definition)

Antigens are chemicals which upon exposure to the surface or inside of the body, will cause a reaction term allergic. Many substances will do this and allergic response is the basis for immunological protection for ...Read more


Virus (Definition)

A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants ...Read more