The case law on this topic is divergent, a trend that will likely continue with different courts applying different interpretations of insurance policies.

The Washington Supreme Court has become the fifth state supreme court to rule in insurers' favor in COVID-19 business interruption litigation.

The Washington Supreme Court has become the fifth state supreme court to rule in insurers' favor in COVID-19 business interruption litigation.

Courts across the country have tended to find that a virus cannot cause damage as a matter of law. Damage is a precondition in many business interruption policies.