The use of killed microbe vaccines are slightly safer than live, attenuated vaccines, as the virus is dead but still causes antibodies to be produced the downside to killed-microbe vaccines however, is that they often require a few boosters to be really effective and keep a lasting memory in the host's immune system (publichealthorg. Bacteria facilitate human's lives and maintain a balance in the ecosystem the study of bacteria directly assists human's life through food production many of the foods eaten today are either made with bacteria (cheese, yogurt, and buttermilk) or aid certain crops through biological engineering. This virus also starts in animals and is spread to the human population it generally enters through the nose and attacks the lungs we will write a custom essay sample on. Importance of microbiology essay sample microbiology is a subject dealing with microbes and related concepts microbiology has come a long way since discovery of microbes and is presently of great help to mankind. History and eradication of smallpox the smallpox virus has affected the human species for centuries it has been recorded as early as 1350 bc in ancient egyptthe smallpox disease is caused by the variola virus which only inhabits the human organism.
Vaccination and eradication of smallpox essay - the vaccination and eradication of smallpox smallpox, a disease caused by the variola virus, has devastated humanity for many centuries. However, eradication efforts were aided by lack of reservoir for the smallpox virus (koplow, 2003) in 1972, the last smallpox outbreak was experienced in europe in yugoslavia where thirty five out of a hundred and seventy five people died (fenner, henderson, arita, & jezek, 2007. They cause disease like cholera, typhoid, polio and leprosy in human beings some of these microbes are helpful to us the nitrogen-fixing bacteria found in the root nodules of leguminous plants fix atmospheric nitrogen into nitrates.
The vaccination and eradication of smallpox smallpox, a disease caused by the variola virus, has devastated humanity for many centuries because of its high mortality rate, civilizations around the world sought to protect themselves from this disease. Smallpox, an equally devastating human scourge, was eradicated in 1980, proving it is possible to stamp out a microbe across the planet attempts are under way to rid the world of polio and guinea. The overwhelming conclusion is that it is critical to survival of the human race that hygiene and education will be the best possible steps to overcome an increasing body of bacteria in our world references 1. Flu virus 101 the influenza virus is a recurring nightmare, killing thousands of people each year learn how the virus attacks its host, why it's nearly impossible to eradicate, and what.
Essay on communicable disease - human immunodeficiency virus (hiv) it is a well-known fact that human immunodeficiency virus, or hiv, causes acquired immunodeficiency syndrome (aids) the virus weakens the body's ability to resist the human infectious diseases and malignant tumors. The same, unknown bacteria is isolated from 20 sick individuals their samples were grown in culture and then placed in 10 healthy mice those mice started to show signs of a heightened immune response. Polio, also known as poliomyelitis and infantile paralysis, is a highly contagious viral infection that can lead to paralysis, breathing problems, or even death. Eradication eradication differs from control in that it is global the term denotes the certified total absence of human cases, the absence of a reservoir for the organism in nature, and absolute containment of any infectious source.
The impact of microorganisms on human affairs what is microbiology microbiology is the study of microorganisms or microbes the word micro means small in greek, implying that microbes are very minute or small life forms that cannot be seen with just the naked eye. Smallpox was officially eradicated on may 8, 1980 with the help of world health organization's successful eradication program smallpox is the only disease that has been eradicated using vaccination smallpox has played a pivotal role in every era of human history. Although some cases of polio virus infections still occur (mostly in third-world countries), the mainstream spread of the virus was eradicated in 1988, when 999% of annual diagnosed cases were reduced. Human's digestive system, include different species of friendly bacteria which are vital for metabolism of food, production of enzymes and vitamins to aid digestion (eg, ß-galactosidase, amylase), demolition of disease-causing microorganisms and regulation of intestinal acidity.
Microbes on human life because of the presence of microbes in all walks of human life, there is a constant interaction of the microbes on human life the vast majority of the bacteria in the body are rendered harmless by the protective effects of the immune system, and a few are beneficial. Because of this our resistance towards diseases gets decreased actually thr is an difference between aids and hiv that is, the final stage of the hiv virus is called aids,at this stage the human body cannot withstand even an ordinary cold. Although the beneficial strains of this bacteria aid human digestion, finding these bacteria in waterways serves as a warning for the potential spread of disease because they can indicate human or animal feces. A microbe that eradicated humanity essay sample abstract black death had leaved a trace to the history of the humanity by a plague caused by yersia pesti by a flea as a vector.
Recent research has demonstrated that the diversity, prevalence and persistence of bacteria has been consistently underestimated microbes form most of the world's biomass: there are typically 40 million bacterial cells in a gram of soil and a million bacterial cells in a milliliter (gram) of fresh water. We could eradicate smallpox from nature, but we could not uproot the virus from the human heart'' harold varmus is the president of memorial sloan-kettering cancer center and former director of the national institutes of health.