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...ne" from the Latin ''vaccinus'' meaning "of or from the cow", as the first vaccines were derived from cowpox used to protect against smallpox. Subunit vaccines are made from one or more components of a pathogen. These components, or su

...es from the Latin "vaccinus" meaning "from cows", a reference to the first vaccines which were derived from cowpox to immunize against smallpox. ...al Vaccines: [[Pneumococcal Conjugate Vaccine]] (PCV13) and [[Pneumococcal Polysaccharide Vaccine]] (PPSV23).

=== Types of Vaccines === There are several types of vaccines, including:

==Vaccines== '''Vaccines''' (/vækˈsiːnz/) are biological preparations that provide active acquire

...Recombinant, Polysaccharide, and Conjugate Vaccines]]: These are types of vaccines that use specific pieces of the pathogen, such as its protein, sugar, or ca * [[Toxoid Vaccines]]: These are vaccines that use a toxin made by the germ that causes a disease.

...in types of typhoid vaccines: the oral Ty21a vaccine and the injectable Vi polysaccharide vaccine. * '''[[Vi polysaccharide vaccine]]''' is an injectable vaccine that is usually given as a single dos

* [[Subunit, recombinant, polysaccharide, and conjugate vaccines]] * [[Toxoid vaccines]]

...ate vaccine (PCV13) and pneumococcal polysaccharide vaccine (PPSV23). Both vaccines provide protection against the most common types of pneumococcal bacteria.

* [[Pneumococcal Polysaccharide Vaccine]] (PPV) [[Category:Vaccines]]

...al vaccines: [[Pneumococcal conjugate vaccine]] (PCV13) and [[Pneumococcal polysaccharide vaccine]] (PPSV23).

...ation of genetic information to change an organism; mainly used to produce vaccines and drugs such as insulin * [[Polysaccharide]] - a complex carbohydrate composed of three or more simple carbohydrate mo