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Advantages and Disadvantages of the Various Types of Vaccines
Merits and demerits of vaccine
Merits and demerits of vaccine
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It is well-known fact that vaccination is a very efficient strategy to prevent many deadly infectious diseases. For example, Polio was eliminated in the United States by 1979 after widespread vaccination efforts. The purpose of a vaccine is to generate and stimulate protective immunity against the invading pathogen.1 Protection against the infectious diseases heavily relied on the magnitude, quality, longevity, and location of the produced antibodies within human tissues. Traditional vaccines that induce permanent immunity are mostly derived from live-attenuated viruses or bacterial pathogens; for example, polio2, vaccinia3, and anthrax spores4. For many years, Aluminium salt was the only adjuvant approved for human use and has been shown effective …show more content…
It is purified from Salmonella minnesota lipopolysaccharide (LPS) and is being used for preventing human papillomavirus (HPV) and hepatitis B virus (HBV) infections. A combination adjuvant of MPLA with alum (AS04) used for HPV vaccination has been shown to be effective compared to administration of only alum along with antigen.16 The AS04 was shown to enhance humoral and B-cell immunity as well as produced antibody titers faster than alum.17 A number of studies consisting use of TLR adjuvants either alone or in combination with other immunoadjuvant are underway to explore the potential of TLR adjuvants for human use. For example, the addition of GPG 7909, a TLR9, to a commercial HBV vaccine enhanced the kinetics, magnitude, and longevity of the seroprotective response over 5 year period.18 In another mice immunization study, it has been shown that administration of nanoparticles containing combination of TLR4 and TLR7 ligands along with antigen synergistically increased antigen-specific, neutralizing antibodies compared to nanoparticles consisting only one TLR immunoadjuvant.19 TLR2 recognizes bacterial lipoproteins such as thioether linked diacyl-glycerol attached to the N-terminal cysteine of secreted proteins that may also carry N-linked acyl chains.20 TLR2 is expressed on multiple cells such as lymphocytes, macrophages, and dendritic cells. The lipopeptide ligands such as Pam3CysSK4 that activate these receptors stimulate a wider array of adjuvant functions.14 Studies have demonstrated that Pam3CysSK4 has multiple roles that include DC maturation, activation of macrophages to release cytokines, promoting maturation and stimulation of B cells that produce antigen-specific antibodies and boosting the production of
and European Government by implying that the public are at a healthier standpoint by taking the vaccine while in actuality individuals may be at more harm by taking the vaccine versus having the virus. Firstly, Merck admits that the MMRII vaccine can cause serious life threaten conditions such as Vasculitis (inflammation of the blood vessels), Pancreatitis (inflammation of the pancreas), Diabetes, Thrombocytopenia (low blood platelet count), Chronic arthritis, Encephalitis (inflammation of the brain), and Panniculitis (inflammation of the subcutaneous fat layer). Several of these conditions are brought on by the live viruses in MMRII alone. Additionally, vaccines eliminate all possibility of a person developing lifelong immunity to infectious diseases like measles because they circumvent innate immunity, the body’s first line of defense against disease, exposing the adaptive immune system to viral components that it would never otherwise encounter. This causes permanent damage to the immune system and helps explain why many people today are stricken with autoimmune disorders that prior to vaccines were virtually nonexistent. Where in fact, natural exposure to measles is generally mild and imparts permanent immunity which is a nature’s
The article’s information is presented with the goal of informing a reader on vaccines. The evidence is statistical and unbiased, showing data on both side effects and disease prevention, providing rates of death and serious illness from both sides. This evidence is sourced from a variety of medical organizations and seems reliable, logical, and easily understood, no language that would inspire an emotional response is used. The validity of studies is not mentioned in the article, but it does encourage readers to investigate further to help make a decision. The article allows a reader to analyze the presented evidence and come to their own
The unforgettable story of vaccines is a story of triumph and controversy. The saddest part of the story is persistent ignorance and a lack of education, comingled with the personal need of some parents to explain away the problems of their children, have caused the controversy to arise. The good news is that the triumphant reality of vaccines as a whole is still the larger enduring legacy. The human papillomavirus vaccine is not an exception to this rule; in fact despite all the controversy surrounding the vaccine, it is one of medicine’s greatest lifesaving gifts to us.
Vaccines have been used to prevent diseases for centuries, and have saved countless lives of children and adults. The smallpox vaccine was invented as early as 1796, and since then the use of vaccines has continued to protect us from countless life threatening diseases such as polio, measles, and pertussis. The Center for Disease Control and Prevention (2010) assures that vaccines are extensively tested by scientist to make sure they are effective and safe, and must receive the approval of the Food and Drug Administration before being used. “Perhaps the greatest success story in public health is the reduction of infectious diseases due to the use of vaccines” (CDC, 2010). Routine immunization has eliminated smallpox from the globe and led to the near removal of wild polio virus. Vaccines have reduced some preventable infectious diseases to an all-time low, and now few people experience the devastating effects of measles, pertussis, and other illnesses.
The idea behind vaccines is to provide the body with just enough of the disease-causing substance to trick the body into producing antibodies against it. By injecting weak or dead infectious agents through the skin, it’s believed that the body will create the appropriate immune defense. Infants come into the world with antibodies they have gotten from their mother through the placenta. Infants who are breastfed continue to receive many important antibodies in the colostrum (the thick, yellowish premilk that is secreted during the first few days after a woman gives birth) and breast milk. During the first year of life, the immunity an infant gets from its mother at birth wears off. To help boost the fading ability to fight certain diseases, vaccines are given. Once the antibodies are produced, they stay around, protecting the child against the disease they were designed to fight.
All families should get their children vaccinated against the most common STD in America, the Human papilloma virus (HPV). As health care professionals it is essential to educate parents and adolescents about the HPV virus which can cause genital warts along with many varieties of cancers including cervical, penile and throat cancer. The vaccine will guard against four strains of the virus. Two of these strains are known to cause 70% of cervical cancer cases and the other two cause 90% of genital warts (Kara Newby, 2009). Another reason to receive the HPV vaccine is to promote sexual and reproductive health education. Two of the biggest arguments against the HPV vaccine are the high cost and that some parents feel it will make their teenagers feel invisible and may engage in more risky sexual behaviors if vaccinated.
HPV vaccinations have been involved in some heated debates involving the general public and the government for some time now; whether the vaccine is worth being administered to young girls is the underlying question and if so at what cost. In the articles “HPV Vaccine Texas Tyranny” and “The HPV Debate” both authors Mike Adams and Arthur Allen provide enlightening information on why the HPV vaccinations should not be mandated through legislation, Adams conveys his bias and explains how the government is over stepping its boundaries when it comes to the publics’ health while Allen on the other hand, is more opt to present analytical data on previous cases similar to the one he is currently facing.
For science, HPV is the Human Papillomavirus. For YOU, HPV is the Human Protection Vaccine!
“This knowledge will help us design drugs that mimic the viral effects on these proteins to either activate a host’s immune response or shut it down,” said Dr. Michael Gale, associate ...
The Centers for Disease Control and Prevention has listed immunizations as the number one greatest public health achievement in the 20th century. This attainment towards the goal of health and safety is a huge success for not only our country but from the global perspective as well. Immunizations help to prevent illness and death from vaccine-preventable diseases. The World Health Organization states that global vaccination coverage has remained consistent for the past few years; for example, the percentage of infants fully vaccinated against diphtheria-tetanus-pertussis has held secure at 83%. Programs for population-wide vaccinations have helped with the annihilation of polio in America since the late 1970’s, the eradication of smallpox, and the control of numerous other infectious diseases in the United States and other parts of the world.
Vaccines are a type of substance used to stimulate the production of antibodies and help
Many people come to the United States of America in order to live freely and make choices based on their personal morals. Considering the fact that America is known for being the “land of the free”, people should be able to choose whether or not they want to get vaccinated. People should have the right to reject vaccinations for whatever reason it may be, whether it’s religious beliefs, health concerns, or lack of belief in the vaccination systems. Personally, Vaccinations have benefited me and my health, and I choose to get vaccinated. I choose to get vaccinated because I strongly believe in a way it helps build my immune system and keeps me from getting sick or catching diseases. However, people have different beliefs than mine. Therefore
According to the CDC, gel or salts of aluminum are added as adjuvants to help the vaccination stimulate a better response. Adjuvants are known to enhance the vaccination. Without adjuvants in vaccinations, children may need more than one dose to keep them protected. According to what goes into a vaccination, the mention of aluminum in vaccines makes parents uneasy; that is since there has been some evidence that long-term exposure to high amounts of aluminum can contribute to brain and bone disease. Aluminum is present in food, water and even breast milk. Aluminum has only been shown to harm people absorbed in high amounts. In contrast, the amount of aluminum in vaccines is negligible (What). The amount of aluminum in vaccines is small. Infants have a small naturally occurring amount of aluminum in their bloodstream. The quantity of aluminum in a vaccine is so small it doesn’t cause any noticeable raise in this base amount found in the blood, even immediately after an
In recent years, the correlation between vaccines and autism has become the subject of much debate. On one side, there are the anti-vaccinators, or anti-vaccers. On the other, there’s pretty much everyone else. Despite the fact that the anti-vaccination movement has little base in scientific fact, their campaign to end early infanthood vaccinations rages on. While doctors and scientists try desperately to make parents look at the research studies, vaccination rates continue to fall. But, even in these dark times, there is still hope that scientific fact will prevail and defeat the anti-vaccination fear mongers who have caused many children to fall ill and even die because their parents did not properly vaccinate them. This is one of the most saddening scientific failures of the twenty-first century. A failure to educate the public properly has resulted in child, even infant, fatalities. The anti-vaccination movement was started based on falsified data and continues only because of a lack of knowledge and proper education of the general public.
For many years before the development of vaccines, it was known that after recovery from certain diseases some people would not become infected when exposed to it again. This course by which a person is protected from certain diseases after natural infection is termed active immunity. The person is protected since the immune system remembers the past infection and reacts quickly when it comes across the issue again. Yet, for diseases that can be life-threatening, attaining immunity in this way entails running the risk of death upon the first encounter. Even for non life-threatening diseases, a lot of infections carry a risk of grave complications after recovery and so it would be preferable to obtain immunity without taking unwarranted risks. Active immunity by way of vaccination presents a much safer alternative (Childhood Vaccinations: Understanding Vaccines, 2006).