04-01-21

Intercept viruses and allergens before they enter the organism.

 

For aerosol-transmissible viruses and allergens, the upper respiratory tract is the entry point into the human body. Hence, pathogens or trigger substances are able to pass through the nasal mucosa unharmed. The likelihood of an illness or an allergic reaction increases many times over.


The mucous membranes belong to the oldest parts of our immune system and have their own special immune response. It consists of special B cells that are formed in reaction to an invading antigen (for example, a virus) and are deposited in the mucous membranes. From there, they release special complexes of two antibodies onto the mucosal surface that can recognize and capture the corresponding antigen before it can even enter and infect cells (see also Neue Zürcher Zeitung: NZZ 2020).


The causes of viral respiratory diseases are mostly "respiratory viruses". They attack the mucous membrane and damage it. Simple cold or flu viruses can still be fought off quite easily by a strong immune system without causing any discomfort. Mild cold symptoms are a sign of immune system activity. However, if the immune system is weakened, it does not succeed in fighting off the pathogens at an early stage. Then the viruses can invade mucosal cells and spread. The inflammatory reaction in the respiratory tract then triggers the characteristic cold or flu symptoms or worse.


Especially for people with a weakened immune system, additional protection of the nasal mucous membranes makes sense in order to stop airborne viruses such as COVID-19 or allergens before they can enter the organism and trigger illnesses or allergic reactions.

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