Vaccines

Vaccines are biological substances that enhance immunity against specific diseases. Vaccines typically contain agents similar to pathogenic microorganisms and are typically made from one of the toxins or their surface proteins which are attenuated or killed in the form of microorganisms. Since this drug stimulates the body 's immune system, recognizes the drug as a foreign body, destroys it and "remembers" the immune system more easily identifies any of the microorganisms that will be encountered later and It can be destroyed.

First of all, what is a vaccine and what is its use? Vaccines and vaccinations are slightly different. The difference between vaccination and vaccination is that the vaccine is a product and vaccination is the injection of an organism to produce immunity in the body. Functionally, they both help protect humans by giving immunity to disease. There are two reasons behind the vaccination for children and adults: There are two reasons: First, to prevent the reduction of fatal diseases, and secondly that there is a mechanism in the immune system to prevent the spread of these diseases Make sure. Examples of the latter are human papilloma virus (HPV) and hepatitis B vaccine. People are less likely to be exposed to both viruses, but the vaccine will help prevent that person from infecting the virus (3), even if no symptoms exist. In addition, the vaccine helps to reduce the risk of cancer such as liver cancer and cervical cancer.

Currently, two vaccines for the prevention of specific types of cancer have been approved by the US Food and Drug Administration (FDA). Vaccines against hepatitis B virus, which are believed to be responsible for certain types of liver cancer, are available and vaccines against human papillomavirus (HPV) types 16 and 18 are obtained. According to NCI, these viruses cause about 70% of cervical cancer. These viruses also play a role in head and neck cancer, anal cancer and other cancers. Today, young people and young men and women are encouraged to take an HPV vaccine. The HPV virus is very common and has evidence that by the age of 50, more than half of people are exposed to it. Sipuleucel-T is a new vaccine approved by the FDA for the treatment of advanced prostate cancer. Although this vaccine can not treat prostate cancer, it has been shown to help prolong the life span of advanced prostate cancer patients.