The gravity of the accident of Chernobyl is beyond imagination.

This is irrespective of the severity of the accident.

This is true regardless of how serious the accident was.

This is usually true no matter the severity of the accident.

This is crucial, regardless of how serious the accident may be.

It depends on the nature and severity of the incident.

This depends on the nature and severity of the crash.

This entirely depends upon the nature and severity of the accident.

Depending on the gravity of the injury of course, but..

The nature and severity of the accident or dangerous occurrence or disease.

There is no way for the drug administration to diminish the seriousness of the accident.

Take a deep breath and focus on how severe the crash is.

These factors combined to reduce the severity of this accident.

This is true regardless of how serious the accident was.

This device helps reduce the severity of the accident or even avoid it altogether.