Advantages and Disadvantages of Vaccination

Vaccines teach the immune system by mimicking infections. When a person is vaccinated, they are exposed to a dead or weak version of the disease-free pathogen. When the body recognizes that it is a foreign pathogen that needs to be attacked, our immune system creates white blood cells or macrophages. As macrophages phagocytogenize pathogens, our lymphocytes, or T cells and B cells, recognize pathogens and can proliferate against them because antigens on pathogens are preserved for use by macrophages.

After discussing the strengths and weaknesses of existing vaccines, several new vaccines have been developed and tested. Several important are DNA vaccines, immunodominant peptides and anti-idiotypic molecules. Plant vaccines have recently received much attention in the field of vaccination, which are plant-derived and can be administered orally or via the oral mucosa (WHO, 2010). Therefore, the resulting vaccine is expected to be inexpensive and has minimal side effects. Research on plant vaccines is the result of proteomics and genomics revolution, understanding of the molecular basis of infectious diseases and advances in modern biotechnology. The edible plant vaccine employs a new strategy combining plant biology and medicine. Studies have shown that several tobacco variants express hepatitis B surface antigen and Streptomy surface protein. In fact, the torch of plant-derived vaccine research is coming from here

The process of developing a veterinary vaccine has advantages and disadvantages compared to developing human vaccines. On the other hand, the potential revenues of veterinary vaccine manufacturers are far lower than human vaccine revenues, lower selling prices and smaller market size, and as a result, research and development investment for animal vaccines is higher than for human vaccines It is much lower. The complexity and extent of the region, but the host and the pathogen is greater. For example, recently released papilloma virus and human vaccine for cervical cancer (Gardasil) are estimated to have a market size of more than $ 1 billion, but the most successful animal health vaccine (eg foot and mouth disease virus ) Is Mycoplasma hyopneumoniae. The total market size is from 10% to 20% in the figure. Veterinary scholars can also conduct immediate research with related target species compared to human vaccine development.

Like other medical technologies, vaccines also have advantages and disadvantages. History and science repeatedly showed that the benefits of immunization outweigh the trap, and many negative factors can be avoided by appropriate judgment. However, despite the full evidence that they are safe, effective and effective, and even further evidence for claims like autism, the distrust of the vaccine still exists . Everyone is against the vaccine, but no attempt is made to prove that the vaccine is invalid or dangerous, and it has been tested rigorously over time.

44 ideas about "vaccination or not?" Seek verdict in vaccination debate. "