""'Avibacterium endocarditidis " "'is a bacterium from the genus of Avibacterium which has been isolated from a chicken with valvular endocarditis in Denmark.
2.
In the older generation and in much of the less-developed world, valvular disease ( including mitral valve prolapse, reinfection in the form of valvular endocarditis, and valve rupture ) from undertreated rheumatic fever continues to be a problem.
3.
While rheumatic fever since the advent of routine penicillin administration for Strep throat has become less common in developed countries, in the older generation and in much of the less-developed world, valvular disease ( including mitral valve prolapse, reinfection in the form of valvular endocarditis, and valve rupture ) from undertreated rheumatic fever continues to be a problem.