The disease of histoplasmosis or darlings disease is a infection caused by histoplasma capsulatum. bird or cat feces is the source and the disease is characterized by fever, malaise, coughing, respiratory failure, and lymph/adeno/path/y. a major problem for pregnant women and their fetuses.

a. fungus or fungus spore
b. bacterial
c. viral
d. rickettsial

A. fungus or fungus spore

Explanation:

INTRODUCTION:

Histoplasmosis or Darling's disease is caused by a fungus Histoplasma capsulatum.

It is an endemic disease in central and eastern US states. The disease can be asymptomatic or disseminated with fever, malaise, coughing, respiratory failure, and lymphadenopathy.

The disease is cured with oral Itraconazole and parenteral Itraconazole is required in severe cases.

CORRECT ANSWER:

From the options, A. fungus or fungus spore is the correct answer choice.

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