Diagnostic Microbiology and Infectious Diseases

Microbial Vaccines

vaccine is a biological preparation that provides active acquired immunity to a particular disease. It  is prepared from live or killed forms of the microbe. Vaccination prevents infectious diseases, responsible for the eradication and restriction of some diseases from much world.Vaccines are also able to induce herd immunity.  When the disease causing agent is entered, the body recognizes the protein coat on the virus, and thus is prepared to respond, by (1) nullifying the target agent, (2)perceiving and destroying infected cells before that agent can multiply.