What Causes Easy Bruising? written by: DulceCorazon â¢ edited by: Emma Lloyd â¢ updated: 8/27/2010. Causes of bruising easily are usually related to aging. Older people are more prone to bruise easily because of their aging skin, decreasing body fat layer and weaker capillaries.
IPV is produced from wild-type poliovirus strains of each serotype that have been inactivated (killed) with formalin. As an injectable vaccine, it can be administered alone or in combination with other vaccines (e.g., diphtheria, tetanus, pertussis, hepatitis B, and haemophilus influenza).PV is produced from wild-type poliovirus strains of each serotype that have been inactivated (killed) with formalin. As an injectable vaccine, it can be administered alone or in combination with other vaccines (e.g., diphtheria, tetanus, pertussis, hepatitis B, and haemophilus influenza).
1 Immunization. 2  The inactivated polio vaccine (IPV) used today in the United States stimulates the immune system to produce antibodies that fight the polio virus if a person comes in contact with it. 3  Dr. Jonas Salk developed the first IPV in 1955, and an enhanced-potency version came about in 1988. Other parts of the world use an oral polio vaccine (OPV) that was first developed by Dr. Albert Sabin in 1961. 2  OPV is based on a live, but weakened, form of the virus.