Complex sentence: Infections, when found, are similar to "viridans Streptococci" in range, cases have been reported of endovascular infections (predominantly endocarditis) and also acute invasive infections.
Split into simpler sentences: Infections, when found, are similar to "viridans Streptococci" in range. Cases have been reported of endovascular infections (predominantly endocarditis) and also acute invasive infections.