Vaccination against Viruses

Vaccination against Viruses

Ideally, antiviral drugs are administered into a persons’ body in the form of vaccine especially during the childhood years. However, some vaccine can administer to adults if it’s needed.

Vaccines are inactivated or dead microorganisms/organisms or purified products derived from them.

There are several types of vaccines for different strategies used to reduce risk of illness and retaining its ability to induce a beneficial response to immune system.

Vaccines may be monovalent or multivalent

Monovalent vaccine - immunization against a single antigen or single microorganism
multivalent vaccine - immunization against two or more microorganisms

Type of Vaccines

Toxoids Vaccines – contains inactivated toxic compounds

Example vaccines are against:

• Tetanus
• Diphtheria

Killed Vaccines- contains killed microorganism

Example vaccines are against:

• Flu
• Polio
• Cholera
• Hepatitis A
• Bubonic plague

Subunit Vaccines – contains proteins or “whole agent”

Example vaccines are against:

• Hepatitis B
• human papillomavirus (HPV)

Conjugate Vaccine- contains polysaccharide

Example vaccines against:

• Haemophilus influenzae type B

Attenuated Vaccines - contains live attenuated virus microorganisms

Example vaccines are against:

• Measles
• Rubella
• Mumps
• Yellow fever

Experimental Vaccines – vaccines that are innovative and now in development

Example vaccines are:

• T-Cell Receptor
• DNA