E.g. if it turns out that the vaccine causes autism after 30 years.

• Must not be dismissed outright, i.e. must have a legitimate basis

• Must be high-profile, i.e. extensively covered by national and international mainstream media

• Must be related to long-term side effects of a COVID-19 vaccine

• Collective, i.e. class-action or similar

May be against a vaccine manufacturer (would need to pierce the immunity granted by the PREP act) or government entity.