Early use of neuraminidase inhibitors was associated with shorter hospital stay. Other reports have found no relationship between antiviral treatment and hospital stay. 22 In summary, we found that early treatment with neuraminidase inhibitors had a beneficial effect on outcomes during  Veillonella montpellierensis Endocarditis Veillonella spp. rarely cause infections in humans. We report a case of Veillonella endocarditis documented by isolating a slow-growing, gram-negative microbe in blood cultures. This microbe was identified as the newly recognized species Veillonella montpellierensis (100% homology) by 16S RNA gene sequence analysis. V eillonella are anaerobic, gram-negative cocci, part of the normal flora of the mouth, gastrointestinal tract, and vaginal tract. Veillonella dispar, V. atypica, and V. parvula have been cultured from human specimens. They are infrequently isolated in human infections. Rarely, Veillonella species have been the only etiologic agents identified in serious infections such as meningitis, osteomyelitis, prosthetic joint infection, pleuropulmonary infection, endocarditis, and bacteremia. A new species, V. montpellierensis, has recently been isolated from the gastric fluid of a newborn and from the amniotic fluid of 2 women (1). Its pathogenic role is still debated.