A 7-year-old boy from Arkansas presents in July with a 4-day history of fever to 39°C (102.2°F), malaise, and a single, painful, swollen lymph node in his right axilla. On examination, a tender papule that is beginning to ulcerate is noted on his right forearm. His mother recalls removing a tick from that arm last week. Which clinical syndrome of tularemia does this presentation most represent?