Basic food and personal hygiene education…cook your shrimp well.

Educating the public on both food and personal hygiene.

Of course a good steam cook is recommended….street level even.

Crayfish can also be sterilized…

Steamans.com

Epidemiological and clinical characteristics of 99 cases of 2019 novel coronavirus pneumonia in Wuhan, China: a descriptive study – The Lancet