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13 votes
Accepted

Cold sores: why do we get them on the lips?

Fever blisters, or cold sores, are an infection with the type 1 or Type 2 herpes simplex virus (HSV-1, HSV-2). The herpes simplex virus usually enters the body through a break in the skin around or ...
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9 votes

What is the likelihood of contracting genital HSV1 through oral sex?

It seems to me that you are looking for solid risk numbers, which I am afraid might not be available. This is just a summary of the basic facts that play into this likelihood. For example, what is ...
  • 7,009
7 votes

Are websites that make medical claims to cure herpes actually a scam?

While I can't comment on the details of whether or not you have come upon a scam, I would expect any genuine new treatment to be accompanied by a full justification fit for the regulatory authorities, ...
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6 votes

Can shingles on one part of my body spread to another?

The herpes virus responsible for chickenpox, Varicella zoster lays dormant in nerves after the chickenpox outbreak. Shingles (called herpes zoster) break out in the region affected by that nerve or ...
  • 7,009
5 votes
Accepted

Why are mRNA vaccines not yet available against other diseases?

A few-year-old review that might be useful is: Pardi, N., Hogan, M., Porter, F. et al. mRNA vaccines — a new era in vaccinology. Nat Rev Drug Discov 17, 261–279 (2018). https://doi.org/10.1038/nrd....
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5 votes

Should I kiss my wife

Original answer You are already infected. The HSV is indeed dormant in your body. It keeps trying to get out, till your immune system is off guard and it will present as a cold sore. So when ...
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4 votes

HSV transmission

HSV1 and HSV2 are different strains of the Herpes simplex virus. They both can lead to oral or genital infection. The reason they are usually known as oral (HSV1) and genital (HSV2) herpes are that ...
  • 7,009
4 votes

Why Herpes Vaccine Hasn't Been Discovered Yet While Corona Vaccines Find Its Way Within A Year?

Two things that come to mind: Unlike COVID-19, the herpes virus does not completely shut down society. So there's much more incentive and hence funding to finding a vaccine for COVID-19. We already ...
4 votes

How accurate is testing for HSV-2?

There are several types of HSV tests, with varying benefits and drawbacks. To address your questions regarding the antibody test: Can it detect an inactive infection: Yes. The antibody test isn't ...
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3 votes

Risk of transmitting HSV1 on mouth to someone else during oral sex

I think this question is primarily based on a misconception about the nature of oral and genital infections with HSV-1 and HSV-2 in the modern day. HSV-1 is sometimes described as an oral herpes virus....
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3 votes

What is topical snuff?

Topical products are applied directly to a part of the body, whereas other products are administered in other (more specific) ways. For example, oral products are used in or around the mouth. Snuff is ...
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2 votes
Accepted

Contagiousness of lip herpes in the work environment?

Estimating the risk of communication of two members of the herpesvirus family (Herpesviridae) in this context is very difficult to answer, not only because of lack of research, but because of the many ...
2 votes

How can genital herpes be transmitted even with a condom?

HSV-2 can be spread by skin-to-skin contact, so a condom offers limited protection. https://www.cdc.gov/std/herpes/stdfact-herpes.htm Also, herpes virus can be released (shed) from areas of the ...
  • 9,463
2 votes

What is topical snuff?

I think it is a form of tobacco. Since the main etiology for squamous cell carcinoma is tobacco consumption. Tobacco and alcohol are the two most important known risk factors for the development of ...
  • 1,020
2 votes

Why are mRNA vaccines not yet available against other diseases?

From the links you've supplied, none of these other vaccines have gotten further than phase 2 trials yet. Most seem to only have phase 1 trials started or merely planned so far. These vaccines are not ...
  • 12.5k
1 vote
Accepted

What's the difference between oral and genital herpes?

Type 1 and type 2 are different viruses and once you have a herpes infection, you will always have the infection as it is lifelong (WHO, 2020). Infection with herpes simplex virus, commonly known as ...
  • 5,911
1 vote
Accepted

What is the clinical difference between cold sores (HSV-1) and herpetiform canker sores?

Based on the history, oral herpes would present with a history of oral-to-oral contact or oral-to-genital contact with someone with an active herpes infection. Canker sores generally have idiopathic ...
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1 vote

Can a mucocele on the lip pop up and become a canker sore?

Mucoceles can rupture. Usually that will resolve them though. If it persists, it needs a doctor most likely. You can find more details on that here and explanation of what a doctor would do for one ...
1 vote

Herpes: would prophylaxis H202 3% or alchol 70% decrease risk of infection from exposure?

Both alcohols, ethyl and isopropyl, can kill several bacteria in 10 seconds or fewer in the lab, including Staph aureus, Strep pyogenes, E. coli, Salmonella typhosa, and Pseudomonas species, some of ...
1 vote

Can herpes spread if an infected (nonactive) person takes a bite of your burger?

This is certainly possible, however unlikely. It is also not possible to determine the probability that you would be infected. The person have a visible infection at the time of the event. This ...
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1 vote
Accepted

A diabetic contact of herpes zoster patient

According to the CDC it depends if the virus is active or not, and they define active as: A person with active shingles can spread the virus when the rash is in the blister-phase. A person is not ...
1 vote

Is herpes simplex/cold sore on the thigh considered a sexually transmitted disease?

It is not possible to tell what actions led to the thigh infection, because there are multiple possible actions that could. Explanation: Close bodily contact of any kind can transmit herpes. That is,...

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