Essays on Poliovirus

Childhood Immunizations

Spring - 2016 Vaccination is a medical manipulation during which certain antigen of the infectious agent is being administered into the organism to induce the primary immune response. The first contact with the antigen is being accompanied by activation of the immune system and the emergence of a subpopulation of lymphocytes, which are able to specifically recognize the antigen. As a result, during the contact with the infectious agent, the immune system is able to react faster. While the purpose of vaccination is the prevention of disease, it can still occur, but in less severe form and with minimal ...

Introduction

The Polio virus was first identified by Landsteiner and Popper in the year 1908 as an etiological agent for poliomyelitis. The polio virus was the first virus to be grown in cultured cells which was in itself a great breakthrough leading to (1) development of a killed virus and a live attenuated vaccine; (2) physical and chemical characterization of the virion along with its assembly intermediates, and (3) the characterization of the virus life cycle within the infected cell . Poliomyelitis is a highly infectious disease which may be caused through a virus through the invasion of the nervous system. It is often spread through ...

[Title Here, up to 12 Words, on One to Two Lines] [Author Name(s), First M. Last, Omit Titles and Degrees] [Institutional Affiliation(s)] The evolutionary history of life on Earth goes back to the processes by which living and fossil organisms have formed since life on the planet first originated. Earth and the life inside its surface are estimated to be formed billion of years ago. The similarities between the current living forms signal the existence of a common origin from which all known species have branched off through the process of evolution. In the ...

1.0 Introduction According to the Global Polio Eradication Initiative (GPEI), the Republic of Congo is referred to as an importation country as far as Polio is concerned. As a matter of fact, Congo is categorized by the same organization, GPEI, as being in the “wild polio virus importation belt.” This belt refers to a strip of countries which stretch from the Western part of Africa, through Central Africa all the way to the horn of Africa, which has been re-infected with the polio virus. Other countries in this importation belt include Liberia, Mali, Kenya, Uganda and Niger among other. In ...