Even in ancient times people have noticed that if the process fluid of a person's skin bubbles sick with smallpox, a person will never get sick of this dangerous disease.This process has been called inoculation.It was popular in ancient India and China.Later, in Victorian England it was a sign, according to which the milkmaids who had been ill with cowpox, always be protected against smallpox.This sign has received a scientific substantiation pharmacist Edward Jenner in 1796, when he planted cowpox little boy.After 100 years, Louis Pasteur was able to artificially weaken the virus and rabies lan anthrax, a vaccine against these diseases.
Types of vaccines and vaccination
In medicine used live, corpusc
corpuscular and chemical vaccine does not contain the full attenuated strains of viruses, as are any of their cells.Such vaccines have the fewest side effects and most easily tolerated.
Recombinant vaccines are relatively new, they are made from antigen developed in fungi that have been genetically modified - they were introduced genes of pathogenic bacteria, and microorganisms.Thus producing a vaccine against hepatitis B and human papilloma virus (HPV).
Vaccination can take place once in a lifetime, or equal time intervals.Also, vaccination against certain diseases can be carried out at the request of the person (for example, the seasonal flu shot).Once in a lifetime vaccines made from such dangerous diseases as measles, smallpox, whooping cough, polio, etc.
This movement is opposed to mass vaccination of the population.In terms of antivaktsinatorov, harm from the vaccine are much greater than the benefits.Members of this movement sympathetic to the young mother, who fear in proper storage of vaccines and vaccination procedure itself.But most antivaktsinatorov arguments are not scientifically justified.If a person decides to take root, then he should not be afraid of it, as the health benefits and apparent immunity.