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David M. Sander, Ph.D. ( )

If you are interested in developing a WWW site for your lab or organization, please feel free to contact me for any needed advice and/or assistance.

Frequently Asked Questions (FAQ)

Can you give me advice regarding my medical condition?

Are Viruses Alive?

What is a Virus?

Can I use the images in the Big Picture Book of Viruses?

Would you add a link to my web page?

Can I add a link on my page to All the Virology on the WWW?

Can you give me advice regarding my medical condition?
I'm sorry but I'm a medical researcher (Ph.D.) and not a physician (M.D.). Further, the risk of medical malpractice limits my ability to answer your question.

I do wish that I could be of more assistance. There are a great deal of medically-related resources on the net, and I would suggest that you examine my web page for links that might be of interest to you and relevant to your questions.

I would also suggest that you contact your physician for further information.

Are Viruses Alive?
It's largely an anthropomorphic (or biopomorphic?) position to say that a virus is alive. We'd be more comfortable with them if they were, but by the rules we've established, they're not. They clearly cannot respire, grow or reproduce on their own.

Perhaps the following definition in the next question would be of use.

What is a Virus?
The Definition of a Virus:

Biological structure composed mainly of nucleic acid within a protein coat, ranging in size from 100 to 2000 angstroms (unit of length; 1 angstrom is equal to 10-10 meters); they can be seen only with an electron microscope. During the stage of their replication cycle when they are free and infectious, viruses do not carry out the usual functions of living cells, such as respiration and growth; however, when they enter a living plant, animal or bacterial cell, they make use of the host cell's chemical energy and protein- and nucleic acid-synthesizing ability to replicate themselves. Viral nucleic acids are single- or double-stranded and may be DNA (deoxyribonucleic acid) or RNA (ribonucleic acid). After viral components are made by the infected host cell, virus particles are released; the host cell is often dissolved. Some viruses do not kill cells but transform them into a cancerous state; some cause illness and then seem to disappear, while remaining latent and later causing another, sometimes much more severe, form of disease. Viruses, known to cause cancer in animals, are suspected of causing cancer in humans. Viruses also cause measles, mumps, yellow fever, poliomyelitis, influenza and the common cold. Some viral infections can be treated with drugs.

Can I use the images in the Big Picture Book of Viruses?
I actually don't own the images that are presented in The Big Picture Book of Viruses ( The images there are "thumbnails" of viral images that can be found on the web.

One of the purposes of the Big Picture Book is to provide one location where individuals such as yourself can gain access to needed images.

For permission to use one of these images, I would suggest that you contact the owner of the particular image of interest. By clicking on the image of interest, you will be connected to the owner's web site.

I'm pleased that my web site may have been of assistance to you. If I can assist you in any further way, please do not hesitate to contact me.

Would you add a link to my web page?
The answer, in a word, is yes!

Please fill out the web site submission form with all pertinent information, and I will add a link to your page. You will recieve a note of confirmation that your site has been added.

Can I add a link from my web page to All the Virology on the WWW?
The answer, in a word, is yes!

The address is:

or you could use the following HTML:

    <a href = "">All the Virology on the WWW</a>: This up to date index site is maintained by Dr. David Sander at Tulane University Medical School in New Orleans, and links and catalogs virology, microbiology and related pages world-wide. Additionally, on-line courses, tutorials, and a catalog of viral images is available. This comprehensive page lists Servers for General Virology, Specific Viruses, Microbiology, AIDS, Emerging Viruses, Electronic Journals, Virology Dictionaries, Gene Therapy, Vaccines, Scientific Societies, Government Sites and much much more. If you're looking for specific virus-related information or if you're just interested in learning more about viruses this is the place to start on the web.

Thanks for your support! If you have any questions, please feel free to contact me for further information.

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