What diseases are both mastoiditis and pneumonia symptoms of?

The disease that mastoiditis and pneumonia are the symptoms of is streptococcal pharyngitis.

The disease that mastoiditis and exophthalmos are the symptoms of is Langerhans cell histiocytosis.

The disease that mastoiditis and nausea are the symptoms of is streptococcal pharyngitis.

The disease that mastoiditis and thrombocytopenia are the symptoms of is Langerhans cell histiocytosis.

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