A 20-year-old male presented to the OPD with left axillary pain, fever, malaise and myalgias. On examination, there is a swelling in the left axilla which is tender, boggy in consistency and has a hard core. A characteristic lesion was observed on the skin of upper abdominal quadrant. Gram staining of the aspirate was done. What is the drug of choice in the above condition: -

This is a case of Bubonic plague caused due to Yersinia pestis. 1st image shows an eschar in the right upper abdominal quadrant. Gram staining shows the classical bipolar closed safety pin appearance. Bubonic plague Sudden onset Fever, malaise, myalgias Progressive lymphadenitis in regional lymph nodes Lymphadenitis presents as a bubo. Eschar is seen at the site of rat flea bite. Gram negative coccobacilli Closed safety pin appearance Drug of choice - Streptomycin