Virus Definition and 150 Threads

  1. S

    Does the immune system destroy virus infected cells?

    What happens when virus invades a host cell, reproduces and then leaves without destroying the host cell. Then does the immune system destroy these infected host cells? How do viruses do damage. Is it simply by leaving the host cell and destroying it?If bacteria can enter the cell without...
  2. T

    How long does it take for a pandemic virus to die out ?

    How long does it take for a pandemic virus to "die out"? How long does it usually take for a pandemic virus such as the swine flu to "die out"?
  3. M

    I have virus in my computer just can't delete it

    i have virus in my computer just can't delete it i use all antivirus free version pust all programe tell no virus dected it activate after i format c:\ part when i just open my computer without open or instal any program i try put my file in part d:\ to RAR archiver and format it work put...
  4. C

    Whats the difference between a dead virus and a live one?

    I have been wondering about life. Not the origins of life or the philosophical implications of life. just what is life. what's the difference between dead and alive. I know no one has the answer, but it would seem to me that a place to start would be to study the simplest form of life we...
  5. J

    Medical Understanding the Duration of a Virus Infection

    Do you know how long I will have the virus spread all over the body's blood veins after I have an infection ?
  6. J

    I deleting the virus Command Service

    I ran spy bot and it said i had this virus. I tried to fix it but it said it was un able to and that i needed restart my computer. i did that and it still is there. I am getting a lot of pop ups to. please help! thanks!
  7. C

    Can Tobacco Mosaic Virus Be Used to Enhance GMOD Food?

    What roll does the mosaic virus play in GMOD food?
  8. B

    Human Vampiric Virus: Facts & Info

    I heard the virus' natural host is a flea commonly found on cave-dwelling bats, especially the vampire bat. Is this an actual virus, is there any info about it?
  9. Ivan Seeking

    Virulent form of cold virus spreads in U.S.

    http://www.reuters.com/article/healthNews/idUSN1530262620071115?feedType=RSS&feedName=healthNews&rpc=22&sp=true
  10. S

    Could a '28 Days Later'-Like Virus Ever Exist?

    Not sure where this post belongs, but anyway i was wondering if a virus such as the one depicted in 28 days later could ever be developed or evolve from some virus that we know of today. From what i know i think viruses are capable of evolving because when i read the hot zone it talked about a...
  11. A

    Virus that disables system restore and hardware device manager?

    Hi, My PC runs on Windows XP Professional SP2. Today when I turned on my PC, I found that my desktop appearance had changed, more specifically the start taskbar was the white Windows classic version, not the usual blue XP version. But I didn't take it much seriously, thinking somebody else...
  12. chemisttree

    Photodynamic Inactivation of Herpes Virus

    I once worked with a brilliant chemist who cured everyone in his very extended group of friends suffering from Herpes Simplex-1. His method was successful 100% of the time but did sometimes require several treatments (rarely)! Really amazing! He used a unique method of photodynamic therapy...
  13. N

    Binding energy of a nucleon virus an electron

    The energy that binds an orbiting electron to the hydrogen nucleus is 13.4 eV. Calculate the ratio of the binding energy per nucleon to the binding energy per electron in deuterium. Which part is held more tightly, the electron or the neutron? I already worked out the average binding energy...
  14. R

    Can a Cold Virus Affect Your Back?

    Is it possible to have a cold virus in your back or affect your back. I recently had a very bad cold and now my lower back is killing me. My mom says you can have a cold in your back. Is this an old wives tale?
  15. A

    How do I get rid of this virus?

    Ok, i have no idea where this came from but it's here. And I've deleted it a hundred times, and moved it to the chest from my antivirus (avast!) , still it keeps showing up again and again. it's in the windows folder, an the file's name is MDM.exe the antrivirus keeps on detecting it and...
  16. S

    Can You Remove a Virus If Your Antivirus Software Fails?

    Ok all you computer smart people. I just got a virus and was wondering if it is possible to get rid of it. I have no idea what it is called but what happened was my friend messaged me on msn and said "I hope this isn't you and then a link" because i thought it was just my friend trying to talk...
  17. A

    How Many Influenza Viruses Land on You from a Cough?

    Homework Statement A typical virus is a packet of protein and DNA (or RNA) and can be spherical in shape. The influenza A virus is a spherical virus that has a diameter of 85 nm. If the volume of saliva coughed onto you by your "friend" with the flu is 0.010 cm3 and 1/109 of that volume...
  18. Mk

    Calculators Help! How to Remove a Calculator Virus

    Oh darnit, I got a virus on my calculator from downloading a program onto it I assume. Should have sticked to writing my own! It is incapacitated. I need to wipe the disk from my computer, but how can I do this?
  19. C

    How Do Virus Coat Protein Genes Make Plant Cells Resistant to Viruses?

    My Bio textbook says that, by introducing the virus coat protein gene into a plant cell the cell becomes virus resistant. How is that possible?
  20. C

    West Nile Virus, the blood brain barrier and the elderly

    My question is about West Nile Virus and why/how it is much more likely to cause encephalitis in the elderly. What I've found is that increased permeability of the BBB is what allows the virus to infect brain tissue which is how the majority of neurological damage is done. The rest of the...
  21. C

    Questions about West Nile Virus and W.N. encephalitis

    I'm doing a paper on West Nile virus for my microbiology class. One of the things I'm supposed to address is mechanisms of pathogenesis, including why the virus is more likely to cause encephalitis in the elderly. I know that in order to cause this condition it has to cross the blood brain...
  22. DaveC426913

    Why is Word Constantly Requesting a Virus Scan?

    I'm trying to open a doc that I have already scanned with Norton AV. Upon opening, Word is "requesting virus scan". Well, it's been doing that for a few minutes now... What gives? I don't care if it scans it ten times but it seems to be stuck. I don't think its request has been met by NAV.
  23. I

    Exploring the Potential of Smaller Antibodies for Efficient Virus Immunity

    Question? Can Science make Antibodies smaller? This way Antibodies can fit between the Major Capsid Protein of a virus with ease. Wouldn't it be easier for the Antibody to invade the virus if the Antibody were normal but much smaller than the Average Antibody so it could get past the...
  24. S

    Program simulates virus interacting

    Nature has this report about a computer program at the University of Illionois that successfully simulates the million or so molecules in a virus interacting with its environment, a drop of salt water. http://www.nature.com/news/2006/060313/full/060313-4.html "This is only the first step".
  25. T

    Solve My Computer Virus Problem Now!

    Ok here it is... A few nights ago i posted a thread about a some adware of somthing like that but dduardo helped me with it, which i was extremely gratful for. But i now have a new problem which i believe stemed from the old problem. I have som e sort of virus on my computer and i don't know...
  26. tony873004

    Qs: Auto Reboot, Norton Virus, Login

    Hi. I have 3 computer questions. Hopefully someone will know some or all of them. Auto Reboot From time to time, I wake up in the morning to a freshly-rebooted computer. A message tells me that Windows was updated and it required a reboot. Why can't it just ask me to reboot my own...
  27. W

    PC virus support from an MS employee

    I can help if anyone has problems with computer viruses. I once worked at a Microsoft Call center for this sort of thing.
  28. Q

    Is Your PSP at Risk of the PSPBrick Virus?

    Well I just did a search and didn't see any threads about this, but it is rather big news. It even went on the news on TV, although I didn't see it. There has been the first virus for the PSP (Playstation portable game system) by sony. It is called PSPbrick. It deletes the critical files for...
  29. S

    Killer flu virus built from scratch

    See http://www.msnbc.msn.com/id/7279844/did/9598565/. The virus that caused the deadly "Spanish" flu epidemic of 1918-1919 has been reconstructed using a sample of its DNA. The object is to study how flu viruses mutate and attack.
  30. Z

    Virus? Computer with Windows ME Issues

    I have a computer with windows ME which was working fine then suddenly the appearance changed on the screen (looks like it's in safe mode but isn't) the norton antivirus program disappeared and it knocks the phone line out when it connects. some other programs have also disappeared. :confused:
  31. M

    When Do Viruses Die? The Lifespan of Common Viruses Outside of a Host

    I heard that virus attacks our body, but when does a virus die ? E.g a HIV, do you know when it deis ? when is a white cell able to eat it ? or none of hiv's are eaten by any white cells ? Thanku :wink:
  32. E

    How to Destroy a Deadly Virus - Labs & Treatment

    So some labs got that deadly virus: http://news.bbc.co.uk/2/hi/americas/4440541.stm My question: how do the labs destroy the virus? I mean, if I had that container with the virus, I really didnt know how to treat it. Thanks in advance for your replies. P.S. I accidentally posted in the...
  33. S

    Can AIDs Virus Survive in Cow's Blood?

    can aids virus survive in cow's blood?
  34. B

    Permanently block certain processes anti virus

    This morning I got a ton of those Messenger Service messages that urge you to go to some site for a patch to prevent them, followed by Norton Antivirus informing me of many, many viruses that it could neither fix nor delete. This happened once before and I solved it at that time by doing a...
  35. Astronuc

    Is Adware Becoming More Sophisticated and Virus-Like?

    My company uses McAfee ASAP (anti-virus) for security against viruses. It runs continuously and monitors all internet traffic. Since Friday, the anti-virus software was activated just after I entered a couple of websites. One seemed to be a 'legitimate' technical site, while the other was...
  36. Kerrie

    Virus Scanning Software: How to Find & Remove a Virus

    Does anyone know of where to obtain a good virus software scanning program? I downloaded a virus scanning program awhile back which told me I had one, but I didn't know how to remove it.
  37. F

    Questions on the common cold virus

    1) How long can this virus last between hosts? 2) When you "get better", what is actually happening? has your body overcome the virus's replicating abilities? evicted it? "killed" it? 3) Can the same virus re-infect one right away? like, say you've just had a cold, gotten better, and then you...
  38. V

    Wise & Lovely Virus: Advice on How to Get Rid of It

    I have "observed" a quite strange phenomenon which I don't know if this is virus or not.. When I power on ny computer, there is a light flashing angrily and a irritative noise which I once had some guys checked to see if there is any errors in the sys, but they saw nothing, i don't know if...
  39. C

    Can Education Combat the Anti-Intellectualism Virus Highlighted by Bill Cosby?

    Cosby versus Virulent Virus Cosby has shouted his rage against the virus infecting the community of black teenagers. The virus is anti-intellectualism and it is an epidemic in the total society. Our black teens display the syndrome in a most remarkable way. The total society displays the...
  40. K

    How can I prevent my PC from shutting down due to a virus?

    Virus r something else ? Im using Win XP Pro. I have downloaded the latest fix from microsoft site. Ran it. Downloaded the latest virus definitions. Installed it. But still my computer crashes unexpectedly. Sometimes it shows Blue screen. Sometimes some kinda err in lasass.exe Sometimes...
  41. D

    Where Do Viruses Fit in Taxonomy?

    So, there are 5 basic Kingdoms in Taxonomy that include Monera, Animalia, Protista, Plant, and Fungi right? So, where does the virus fight in? Monera? Or is it considered non-living?
  42. Q

    Google Search PhysicsForums Virus Attack

    While searching a topic on Google, I ran across a link that lead to Physicsforums so I clicked the link. The next thing I knew, my computer was under massive attack. Viruses were being delivered as anti-virus warning windows began popping up. Spybots and Malware were being delivered - found...
  43. S

    Fixing Damage from Virus Infection: Formatting an XP Hard Drive

    My dad gets that error on every exe he tries to open. He was infected with a virus, actually several. Is there any way to fix the damage? As far as we can tell, we got rid of all the infected files. If we can't, how would we format the hard drive? It's an XP system.
  44. Ivan Seeking

    Strange problems on two computers: Possibly an undetected virus?

    Earlier tonight Tsunami's laptop started producing a very high pitched squealing sound. She thought it might be her hard drive - it did sound a bit like a bearing failure - but to me it sounded more like audio feedback; it wasn't, but it sounded much like that. Then, about an hour ago I had the...
  45. Saint

    Which Anti virus software is the best ?

    1) Norton 2) Mcafee 3) Panda 4) Norman 5) Bullguard 6) Pccillin 7) AVG grisoft--------FREE of charge 8) you name it
  46. P

    Philosophy: The Replication Of The Thought Virus Among The Human Society

    [?] What is a thought virus? You can call it a meme or an idea that replicates by symbiotically infecting human minds and altering their behavior, causing them to propagate the meme. Our society have always been buzing with these meme around through communication. You might be...
  47. X

    Is Vampirism a Virus that Mutates the Body and Explains Mythological Beliefs?

    couldn't vampirism be a virus that puts the body in a suspended animation in which it can mutate the body ie giving it advanced senses the blood would regenerate the body the organs except the heart and brain becoming useless explaining why myth says dismemberment and ripping the heart out would...
  48. Ivan Seeking

    Porn providers hijack PCs with stealth virus

    "More than a thousand unsuspecting Internet users around the world have had their computers hijacked by hackers and turned into virtual hosts for pornographic Web sites." http://www.iht.com/articles/102476.html
  49. iansmith

    Uncovering New Insights on SARS Virus Transmission

    Yesterday I was a at special SARS conference and here what I have learn and did not see on the news: - Virtually all infected people show SARS viruse in the fecals matter only 50% show SARS viruses in the resporatory system. Therefore SARS viruse would be transmitted from air to air, fecal to...
  50. Monique

    How effective is alcohol as a disinfectant for inactivating viruses?

    From the CDC website: During this 10-day period, all members of the household with a SARS patient should carefully follow recommendations for hand hygiene, such as frequent hand washing or the use of alcohol-based hand rubs. In the lab we always have to clean the surfaces to inactivate any...
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