<b>Bubonic</b><br>yy Involves lymph nodes (usually femoral and inguinal) yy Rapidly rising temperature with rigors yy Headache}<b>Pneumonic</b><br>yy Very infectious and highly fatal: PATIENT MUST BE ISOLATED –– Death occurs within 2 days if not treated early yy Infection is localised in the lungs with fever, general malaise, headache, and frothy blood stained sputum yy May be complicated by respiratory and cardiac distress}<b>Septicaemia</b><br>yy Complication of the primary infection due to toxins yy There is high fever, nose bleeding, diarrhoea, heart failure, disseminated intravascular coagulation, skin necrosis, and shock