The FDA Bad Bug page
The U.S. Food and Drug Administration's handbook which provides basic facts regarding foodborne pathogenic microorganisms and natural toxins. Good information and a lot of good content.
http://vm.cfsan.fda.gov/~mow/intro.html

Suite101.com: Microbiology
A site containing monthly articles on microbiology topics without all the scientific jargon. Many links to sites with good content and discussions on various topics in microbiology.
http://www.suite101.com/welcome.cfm/microbiology

Access Excellence
A great place for biology science teachers. Contains current science news items, teachers exchange, hundreds of science labs and educational resources.
http://www.accessexcellence.org/

National Center for Infectious Diseases
NCID conducts surveillance, epidemic investigations, epidemiological and laboratory research, training, and public education programs to develop, evaluate, and promote prevention and control strategies for infectious diseases - division of Centers for Disease Control and Prevention (CDC).
http://www.cdc.gov/ncidod/index.htm

Microbeworld: Your Gateway to the World of Microbes
A place to view colorful images of microbes, read intriguing microbial facts and trivia, get educational resources and activities, and learn more about these fascinating microscopic creatures.
http://www.microbeworld.org/

Virtual Museum of Bacteria
The museum provides information for the general public on all aspects of bacteria with integrated hyperlinks to >250 relevant sites. Annotated lists of links are also provided for professional microbiologists
http://www.bacteriamuseum.org

Medical Microbiology
A website containing information on the microorganisms that cause diseases in humans. Lecture notes, laboratory notebook, computerized clinical cases, and most common causes of infectious diseases file.
http://www.kcom.edu/faculty/chamberlain/

Plague Wars
A Frontline/PBS collaborative that details how viruses and bacteria have been developed/used as bioweapons and the history of bioweapons.
http://www.pbs.org/wgbh/pages/frontline/shows/plague/

Ron's Pond Scum
Microscopic images of fresh water microlife. Images and descriptive text not limited to Paramecium, Amoeba, Stentor, Vorticella or Daphnia.
http://www.silkentent.com/gus1911/RonPond.htm

The Microbiology Network
Links to users' groups on the WWW, mail lists, forums, and file libraries. Major areas of interest are regulatory microbiology in the pharmaceutical, food, and personal care industries.
http://microbiol.org/

Microbiology 1020
Jerome Knutson, University of Minnisota Crookston, has created a good introductory Microbiology course.
http://sunny.crk.umn.edu/courses/biolknut/1020/microbiology.htm

Microbiology 101/102
Dr. Hurlbert's site includes an enormous amount of information for people interested in learning about Microbiology.
http://www.slic2.wsu.edu:82/hurlbert/micro101/pages/101hmpg.html

Microbiology Webbed Out
Timothy Paustian from the University of Wisconsin-Madison has created an excellent microbiology textbook.
http://www.bact.wisc.edu/microtextbook/index.html

Active Learning Centre- Microbiology
Test your microbiology knowledge at this site. It also includes basic descriptions of various microorganisms.
http://www.med.jhu.edu/medcenter/quiz/quiz.cgi?dbfield=micro&actionField=startup

Bugs in the News
John (Jack) C. Brown from the University of Kansas, Lawrence, Kansas has created great microbiology site. It includes a "What the Heck is?", a general interest, and other bug bytes sections.
http://people.ku.edu/~jbrown/bugs.html

EPA Microbiology Page
This site contains microbiology-related information that has been developed by the Environmental Protection Agency. Image gallery of various parasites and viruses.
http://www.epa.gov/nerlcwww/

The MicrobeLibrary.org
Contains visual and curricular resources of use to teachers of microbiology.
http://www.microbelibrary.org/

Luminescent Bacteria
Do you know that the luminous bacteria exist ? On these pages you will find short characteristic of these strange organisms and some photos.
http://biology.pl/bakterie_sw/index_en.html

Tetracycline and MLS antibiotic Nomenclature
Latest information on the Tetracycline and Macrolide-Lincosamide-Streptogramin (MLS) antibiotic resistance genes and their structure.
http://faculty.washington.edu/marilynr/

Salmonellosis and its laboratory diagnosis
Salmonellosis and its laboratory diagnosis: Complete description of salmonella infections, isolation of salmonella typhi in laboratory, laboratory diagnosis of typhoid fever. --Dr. Avinash Abhyankar.
http://www.geocities.com/avinash_abhyankar/

MicroWeb
A medical microbiology/infectious diseases site produced by Mount Sinai Hospital and Toronto Medical Laboratories. It contains current infectious disease news, a mycology image gallery, bug of the month, tech teasers, and an online lab manual.
http://microbiology.mtsinai.on.ca/home.shtml

Microbes.info
This site links to an enormous amount of microbiology articles and information.
http://www.microbes.info/

Affliated Medical Services Laboratory, Inc.
AMS (Affliated Medical Services Laboratory, Inc.) is a regional clinical reference laboratory serving physicians, clinics, hospitals, government and industry. Specialties include cytology, microbiology, hematology, chemistry, drug screening and toxicology.
http://www.amsreferencelab.com/

NIH: Grants & Funding Opportunities
Grants and Funding Opportunities at the National Institutes of Health
http://grants1.nih.gov/grants/

Name that Bug!
A fun bacterial identification exercise.
http://users.stlcc.edu/kkiser/Name.bug.html

Microbiology and Immunology Online
Dr. Richard Hunt and his colleagues at the University of South Carolina School of Medicine have created an excellent Medical Microbiology and Immunology website.
http://pathmicro.med.sc.edu/book/welcome.htm

Bacteria Animal Symbiosis Site
Symbiotic interactions between bacteria and animals are described with pictures and links to home pages of researchers and to publications
http://web.uconn.edu/mcbstaff/graf/Sym.html

A Review on Escherichia coli adenylate cyclase
A constantly updated review on Escherichia coli adenylate cyclase with references and graphics. Also, a section "Oldies but Goldies" to be updated and focusing on classic literature in Microbiology.
http://www.minst.org/ecoli_cyclase.htm

MicrobeWiki
Student-initiated community resource on microbes and microbiology, including material on bacteria, archaea, eukaryotic microbes, viruses, bacteriophages, microbiology in the news, and common errors and controversies in the field.
http://microbewiki.kenyon.edu/

MicroAngela's Electron Microscope Image Gallery
Annotated and colorized images of insects and bacteria.
http://www5.pbrc.hawaii.edu/microangela/

Medical Microbiology
Online textbook with scientific and medical information on many disease causing organisms.
http://gsbs.utmb.edu/microbook/

Microbiology at Mount Sinai Hospital, Toronto, Canada
This site contains data on antimicrobial resistance in Canada, the incidence of serious disease due to Streptococcus pneumoniae and group A streptococcus, sample clinical microbiology lab manuals, and microbiology and infectious diseases information for professionals and the public.
http://microbiology.mtsinai.on.ca