My house full of "virus"!!!!

My house full of "virus".... the "virus" I meant is sick diseases lo... my bro kena flu and cough few days edi... while meh meh 2day "red eyes" again... n me tis morning oso kena their disease ler... when wake up feel sore throat n flu seriously... den after that... I eat medicine n sleep... den recover edi... now feel so scare my immune system not strong enough... den easily kena their diseases lo... haiz... but my mum asked me take care of hygiene... which means keep on wash hand after touch something lo... hope tis method worked lo... I dun wan sick again ler... coz scare eat medicine ma...