He's also afraid of bringing the virus home.
He's also afraid to bring the virus home.

两句都对，但有区别。虽然都是“害怕”，但前者重在表示“担心；担忧”；后者重在表示“不敢；畏惧”。又如：

He was afraid of waking his wife.  他担心吵醒他的妻子。（爱妻型）
He was afraid to wake his wife. 他不敢吵醒他的妻子。（妻管严型）