An orthobunyavirus detected for the first time in Switzerland in cows

An orthobunyavirus from the Simbu group causes fever and diarrhea in dairy cows.

Published 6sem3 sources✓ ConfirmedNotableupdated 5sem

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The fact

This virus, transmitted by biting insects, had never been identified in Switzerland.

Several Swiss regions are affected, impacting milk production.

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Auto-synthesis from 3 media sources · identified on August 4, 2026