Corona virus invades lung cells, reproduces in the cell in millions, the cell die and the million copies go to the outside to invade more lung cells.
The body has its own security mechanism referred to as the immune system whose function is to provide defense against foreign material that would harm the body.
What are cytokines?
The destruction of the cells cause the production of special proteins called cytokines that signal cells of the immune system to act on the virus, cytokines also act as immune system regulators.
How does the immune system fight corona virus?
The immune system cells are thus signaled to spring into action which involve;
Production of antibodies which are special proteins produced by immune cells especially the B cells that attack the virus.
Production of immune cells called neutrophils that release chemical substance that kill and digest the virus.
Immune cells like T cells are also produced which are killer cells that directly kill the virus. it also kills infected cells, killing of the infected host cells prevent subsequent infections.
What happens when your body immune system is not intelligent enough?
Your immune system should be smart enough to produce the required amount of immune system signalers called cytokines, otherwise there will be overproduction of cytokines, a condition called cytokine storm.
What are the effects of cytokine storm?
When more than expected cytokines are produced, there will be overstimulation of immune cells, more than enough immune cells will be present at the region of attack by the virus.
This means that there will be overproduction of antibodies, more neutrophils and more immune cells like T killer cells that will kill the virus cells, infected cells and end up destroying all cells near the area of infection including healthy cells.
Cytokine storm also results to inflammation of the lung cells.
The hyperactive response by the immune system leads to massive cell death and inflammation which easily cause death of the patient.
For more information, check the next episode.