Laurene Powell Jobs. Laurene Powell Jobs (born November 6, 1963) is an American businesswoman, executive and the founder of Emerson Collective, which advocates for policies concerning education and immigration reform, social justice and environmental conservation.
Mycobacterium tuberculosis. S aureus is the most common cause of bacterial pericarditis in children, causing approximately 40-80% of cases. Within the first 3 months after cardiac surgery, S aureus is the most common cause of purulent pericarditis.
Some beta-hemolytic strains may lead to rheumatic fever or to glomerulonephritis. S. viridans, a member of the normal flora of the mouth, is the most common cause of bacterial endocarditis, especially when introduced into the bloodstream during dental procedures.- streptococcal adj.