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Informatics training on web fundamentals for CDC public health advisors. Learn internet basics, navigation tips, useful health websites, and glossary terms. Explore resources like MEDLINE and HealthWeb.
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World Wide Web Basics Informatics Training for CDC Public Health Advisors
Points to be covered • Basic overview • The Web as an information resource • How to get around • Examples of some useful pubic health sites • Some tips
Overview - Internet • Computer networks linked through use of common software protocols (TCP/IP) • Applications • e-mail, remote computer use, transferring files • mail lists & news groups • interactive information delivery services • search tools
Overview - World Wide Web • Includes multi-media resources (sounds, pictures, video) • Accessed via “browser” software • Netscape Navigator vs. MS Internet Explorer • Documents linked through hypertext • Enables point-and-click navigation • Following links = surfing the Web
Glossary • HTML - hypertext mark up language • URL - uniform resource locator = web address • hypertext = hot link = link • (home) page - a single document/file viewed with a browser • may be several pages long • may have subsidiary & external links
How to get around • Browser window layout • pull down menus • control panel buttons • “location” box • Basic navigation • important buttons: back, home, go • Open, Home buttons • “Where am I?”
Anatomy of a URL • a URL tells you • where you are, and • something about what you’re looking at • http://www.specific.general.domain/name.html • US domains: gov, edu, org, com, mil, net • examples:http://www.doh.wa.gov http://healthlinks.washington.edu/nwcphp/
Home pages • Can be institutional or personal • Logical grouping of pages constitutes a web site • Pages may also link to other sites • May provide original, local information and/or compile links to other sites
Uses of a home page • For user • on ramp - convenient starting point • quality filter - links have been selected • organizer - can provide framework • For author • publication - dissemination • interactive communication or service medium • advertisement
Uncle Sam on the Web • DHHS, Public Health Service • CDC • http://www.cdc.gov/ • MMWR, WONDER, Prevention Guidelines, other databases and publications • NIH • http://www.nlm.nih.gov/ • NLM - MEDLINE and other databases • healthfinderTM • http://www.healthfinder.gov/
University sources • Healthlinks • http://healthlinks.washington.edu/ • BioSites • http://www.library.ucsf.edu/biosites/ • HealthWeb • http://www.ghsl.nwu.edu/healthweb/
MEDLINE • produced by National Library of Med. • bibliographic database • published, peer-reviewed research • broad coverage of health care • can now search free using PubMed & Internet Grateful Med • http://www.ncbi.nlm.nih.gov/PubMed/ • http://igm.nlm.nih.gov
Some tips • plug ins - helper applications • saving (downloading) files - where? • loading images - on or off? • printing - how big is that page? • source/page code - to learn HTML • file/page information