IMMUNE System SUPPORT: for your natural virus defense

What can I do, now, during the corona crisis, when it seems impossible to actually avoid contact with corona infected people despite domestic quarantine? Is there anything I can do myself to protect myself from corona, even now, when there is no vaccination against Covid-19, Sars-CoV-2 yet?

You can actually do something:

Here you will find concrete information on what measures are necessary during the pandemic to stabilize your immune system and to arm yourself against the new viruses.

Here yo...