COVID-19 tests have become familiar and even routine for us. Despite this, the interpretation of the results, especially the antibody test, still raises a lot of questions.
Researchers have identified how natural human antibodies can block the entry of malaria parasites into red blood cells. This is a key step towards ending malaria in the world.
Accidentally cut yourself with a knife or a splinter? Stepped on a nail or a shell? Did your pet scratch you while playing? Any wound that is not properly cleaned and treated gives bacteria, viruses, and fungi a chance to enter the body, which can lead to a serious infection.
Where is the line between "infected" and "not infected"? What affects the minimum level of infection, after which the virus breaks through the immune defense? Let's look into the question using COVID-19 as an example: why do some people not become infected with the disease, while others are infected and need to be hospitalized?