Miser corona test!

A very miser person went to test covid-19 for himself. The doctor said it would cost 4500 rupees to test. Hearing this, the miser pushed sneeze on the doctor's face and ran away. The doctor got frightened and took corona test for himself. And the doctor found himself corona negative. So he was doing his duty.

Two days later, the miser called the doctor's chamber and asked if the doctor had gone on quarantine / leave. But he found the doctor on duty and the doctor don't have covid-19. Now the miser relaxed and reassured himself that, the doctor is negative means I am also negative!