Krizia Kathrina C. Albuquerque
November 23, 2016
Population-scale immunity is often termed herd immunity. Herd immunity is a form of immunity that happens when the vaccination gets a vaccine to get immunity. It is important that people who cannot get vaccinated be protected. It includes the following: people who have immune system issues, kids who are still small to have vaccines and some who are more ill to get vaccines. CDC also verified vaccination percentage rate exemption list from 46 reporting states and Washington, D.C. A lot of parents are opting out of having their kids vaccinated in certain communities, either on because of belief …show more content…
Recent emergence or re-emergence of infectious disease has an origin in environmental change according to public health scientists. Parasites, fungi, viruses, and bacteria can create an epidemic of infectious disease. Transmission happens if an infected person touches body fluids of someone else. An infected person is not aware of the illness but can easily affect another person. One of them is sexually transmitted diseases (STDs). You can even infect another human through air droplets while talking. The sprinkle of droplets when you cough and sneeze can widely spread any infectious disease. For a long time, these infectious agents can travel far distances and remain up in the air. Other bad organisms can also stay on objects (fomite). You might be exposed to bad infection, if you touch a light switch, soon after an infected human has touched it. Contaminated food and water can help transfer infectious diseases like E. coli. Some infectious diseases can be transferred from an animal to a person. It may happen when you pick up animal waste or the infected animal bites or scratches you and it is called zoonosis. Some zoonotic infectious agents are transferred by insects (vector), especially those that suck blood. The disease is then transmitted when the insect bites a new host. Herd immunity and transmission of diseases goes hand in hand. If the public is not immune then the spreading of …show more content…
L., & Grenfell, B. T. (2015). Understanding herd immunity.
Trends in Immunology, 36(12), 753-755. doi:http://dx.doi.org/10.1016/j.it.2015.10.004
U. (2015, February 9). What is Herd Immunity? Retrieved November 22, 2016, from http://www.vaccinestoday.eu/vaccines/what-is-herd-immunity/ U. (2014, October 21). CDC: With low vaccine rates, some areas risk losing herd immunity.
Retrieved November 22, 2016, from https://www.advisory.com/daily-briefing/2014/10/21/cdc-with-low-vaccine-rates-some-areas-risk-losing-herd-immunity
Eisenberg, J. N. S., Desai, M. A., Levy, K., Bates, S. J., & al, e. (2007). Environmental determinants of infectious disease: A framework for tracking causal links and guiding public health research. Environmental Health Perspectives, 115(8), 1216-23. Retrieved from http://search.proquest.com/docview/222617796?accountid=41759
U. (2014, September 30). Low vaccination rates pose major problem for herd immunity.
Retrieved November 22, 2016, from https://www.advisory.com/daily-briefing/2014/09/30/in-wealthy-la-schools-up-to-of-parents-exempt-kids-from-vaccines
Higuera, V. (2016, October 11). How Are Diseases Transmitted? Retrieved November 23, 2016,