facotrs of communicable disease?
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This isn't a question...
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In the main, they are an attempt to bridge the gap between human social structures / lmitations and the reality of epidemiology. Nations, religious arrangments, economic regimes, cultural patterns, linguistic groupings, etc are due to historical developments, resource availability, trade route patterns, etc. None of these has any congruity with disease spread patterns, save perhaps the trade route business. \n\n================\nhistorically known background\n\nIn the past, disease traveled to some extent along trade routes. A famous example is bubonic plague ("the black plague"), which was once limited to the NE Asian steppes as a disease of small rodents which sometimes affected humans. For the first time in history, the Mongol armies traveled fast enough that an infected human had a good enough chance to spread the bacterium to a new population on the borders of its range. It traveled West with them in stages all the way to Europe where it encountered a large immunologically naive poulation with the well-known, if poorly understood in any detail, result. 30-60% mortality throughout Europe and a depopulation which had serious religious, political, and economic effects for some centuries. In fact, that bacterium's spread has continued via human agency into very recent times. It arrived in North America aboard a ship from China in the 1880s (some researchers think they can even identify the very ship!) and is now epidemic among small rodents and their fleas in much of Western North America. Syphilis most likely originated in the New World and was carried back to Europe by Columbus' crew as it first appears there around 1500 as an acute fulminating disease (think 'flesh-eating bactria', not the chronic infection of today) during a military campaign in northern Italy by the French.\n=============\npublic health tasks \n\nPublic health agencies attempt to intervene in the chain of transmission of disease by developing standards for sanitation, by financing research and development of vaccines and treatments of common diseases (eg, yellow fever in connection with building the Panama Canal), by developing an recommending screening protocols for detecting the contagious who are traveling or shipping internationally, by advocating effective standards of treatment across differing medical regimes, etc. It was a pioneering public health investigation (by Snow) which identified the transmission path of cholera a generation+ before Pasteur and any real understanding of the actual causative agent. Any society taking those results seriously effectively cured its cholera problem forthwith. \n\nInternational public health agencies attempt to do much the same, bridging national boundaries in an attempt to match the disregard for those boundaries of diseases and their vectors (eg, insects, ticks, ...).\n\n===============\nexamples of large scale efforts \n\nA gloriously successful example is the eradication of the ghastly disease smallpox from the world (save as samples held in government labs in the US and i Russia). Smallpox was unusually susceptible to attack as it infected only humans, was readily identifiable in a few days after infection, had an effective vaccine (the very first in Western medicine, in fact), and had a short course, after which the victim was either dead (about 30%) or immune to further infection. A joint effort by public health authorities world wide progrssively broke transmission chains and finally isolated and quarantined the last known infected human in Somalia. Polio is a similar disease and an attempt to similarly eradicate it is underway; a couple of years ago, it was confined to a district in Western Africa and looked to be seriously in trouble. Religious political objections, primarily in northern Nigeria, put the campaign back quite a lot, and polio is now significatntly present in several of the contiguous countries. \n\nNot all disease have characteristics which make such attacks po
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here's a site that might help you http://www.diseasesdatabase.com/ddb31745.htm
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There are many things that contribute to these infections. Here is a wonderful website that helps a lot!
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Severe Acute Respiratory Syndrome (SARS)\n\nAcquired Immune Deficiency Syndrome (AIDS)
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Communicability means the spreading of something to others or the "community."  Period of communicability means there's a period of time in which a disese is spread.
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You will find most of what you arel looking for regarding the first two question here: http://en.wikipedia.org/wiki/Food_production.  You will find your answer to question three here: http://en.wikipedia.org/wiki/Disease and as for the last one you will find here http://en.wikipedia.org/wiki/Clothing\n\nGood Luck :-)!!!
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try going to www.cdc.gov, also you can search www.pubmed.com for journal articles on the topic
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Salmonellosis, Salmonella Enterica
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Check the LINKS section on the first site it gives all the oraganisations dealing with Health and Health Issues\n\nUCD School of Public Health & Population Science\n\nBSc UCC
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Yes, chicken pox is communicable.  Contagious or "catching," are other terms meaning roughly the same thing.  Colds, flu, all that stuff are communicable, as are measles, mumps, whooping cough; the ones you get vaccinated for as a little kid.
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Some of the things they faced was Pneumonia, whooping cough, measles, small pox and various other miscellaneous sicknesses and diseases caused many deaths. Cholera, caused by drinking infected water consumption" or tuberculosis. Heat, dust, haevy rain, high rivers to cross, wagons breaking down, heat stroke, lack of food and water, and Indian's.
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The Center of Disease Control should have the information you're looking for.
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Viruses Hepatitis A, B, C, D and E liver disease \nInfluenza virus flu \nHerpes simplex virus herpes \nMolluscum contagiosum rash \nHIV AIDS
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This any good\n\nhttp://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9473085&dopt=Abstract
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c. who (world health organization)
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maybe try the CDC web site