Incubation Period- 2-4 days with range of
Acute onset of fever, chills, malaise, and myalgias associated
with progressive lethargy.
A productive cough of copious watery mucoid sputum that
may be bloody. Associated chest pain and increasing dyspnea.
Hemoptysis is a classic sign that should suggest plague in
the appropriate clinical context, but sputum may be watery
Gastrointestinal symptoms may be prominent with pneumonic
plague; these include nausea, vomiting, diarrhea, and abdominal