Worried

Stressed out

Anxious

Concerned

Uneasy

Nervous

Apprehensive

Alarmed

Distressed

Hysterical

Secure

Unaffected

Confident

Overreact

Panic

Disregard

Disinfectant

Bleach

Germs

Virus

Contagious

Spread

Epidemic

Sewage

Pollution

Littering

Sanitation

Filthy

Contaminate