How are signs of a disease different from symptoms of a disease?

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Signs of a diseaseSymptoms of a disease
$(i)$ Signs are objective,definite indications of a disease that can be measured or observed by a physician.$(i)$ Symptoms are subjective experiences reported by the patient,which indicate the presence of a disease.
$(ii)$ Signs are what doctors look for during a physical examination to diagnose a specific condition.$(ii)$ Symptoms are what the patient feels (e.g.,pain,headache,nausea) and describes to the doctor.

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