Chagas disease spreading in the US.
Could this also arrive in Switzerland?
No idea about Chagas disease because the insect is not present here.
But, no need to worry about uncertain hazards, there are more than enough certain hazards:
From Perplexity
Triatomine bugs (also known as kissing bugs), which are the main vectors for Chagas disease, are not present in Switzerland or elsewhere in Europe at this time. Chagas disease does exist in Switzerland, but all human cases are related to people who were infected abroad—primarily in Latin America—or via non-vector transmission routes such as mother-to-child transmission, blood transfusion, or organ transplantation.