A severe and often sudden onset of infection characterized by intense symptoms or inflammatory response.

तीव्र संक्रमण

English Usage: The patient was diagnosed with a fulminating infection that required immediate medical attention.

Hindi Usage: मरीज को तीव्र संक्रमण के साथ निदान किया गया जिसने तुरंत चिकित्सा ध्यान देने की आवश्यकता थी।