Opsonic Index

The Opsonic Index is a numerical determination of the activity of the immune serum, which attacks bacteria that have entered the body, and also prepares these bacteria for phagocytosis. This index is determined by dividing the average number of bacteria in the blood per one phagocyte of immune serum by their corresponding number in normal serum.

The opsonic index is an important indicator of the body's immune system and is used to assess the effectiveness of immune defense against bacterial infections. It can be increased through vaccination, which stimulates the immune system to create antibodies against specific bacteria.

The opsonic index is determined by collecting the patient's blood and isolating the immune serum. Tests are then carried out to determine the serum's activity against specific bacteria. For this purpose, standard bacterial cultures are used, which are incubated with immune serum and phagocytes. The number of bacteria that have been phagocytosed is then measured and the opsonic index is calculated.

The opsonic index is an important tool for determining the effectiveness of immune defense against bacterial infections. A low opsonic index may indicate the presence of a disorder in the immune system, which may lead to increased sensitivity to bacterial infections. However, a high opsonic index does not always guarantee that the patient is protected from bacterial infections, since other factors may influence the effectiveness of the immune defense.

Overall, the opsonic index is an important tool for assessing immune defense against bacterial infections. Its use makes it possible to determine the presence of disorders in the immune system and evaluate the effectiveness of immune protection after vaccination against specific bacteria.



The Opsonic Index or Opsonic Index is a numerical determination of the activity of the immune system, which attacks bacteria that have entered the body and also prepares them for phagocytosis. This index measures the effectiveness of the immune system and its ability to fight infections.

To determine the Opsonic index, it is necessary to divide the average number of bacteria contained in the blood by the number of phagocytes in the immune serum. This allows you to determine how effectively the immune system fights infection.

An increase in the Opsonic Index can be achieved through vaccination, which stimulates the production of antibodies and increases the activity of the immune system. Also, the Opsonic index can be increased with the help of antibiotics, which kill bacteria and reduce the number of bacteria in the body.

The Opsonic Index is an important indicator of the health of the immune system and can be used to diagnose and treat various diseases associated with bacterial infections.



The opsonic index is a numerical assessment of the activity of the immune system, which under normal conditions attacks and destroys invading bacteria. It is known that the immune system reacts very sensitively to foreign substances and its functions include not only fighting infections, but also maintaining balance between the body and the environment. In short, the immune serum becomes infected with the infection and “sends” antigens to fight bacteria and other micropests.