Fetching details from the dictionary...
god of pestilence; god who spreads infectious diseases
jinx; hoodoo; pest; odious person; plague; angel of death
疫病神を追い払う祭りが行われた。
A festival to drive away the plague god was held.
あいつは疫病神だと陰で言われている。
He is called a jinx behind his back.
疫病神とは関わりたくないものだ。
No one wants to be involved with a jinx.