How Rare Is Lemierre?

How Rare Is Lemierre? Lemierre’s syndrome is a rare disease, typically caused by the microorganism Fusobacterium necrophorum. Tonsillitis is the most common primary infection (87.1%) followed by mastoiditis (2.7%) and odontogenic infections (1.8%) [11, 12]. How common is Lemierre’s syndrome? Fewer than 4 in every 1 million people develop Lemierre’s syndrome worldwide each year. However,