What is Streptococcus?, It is a genus of Gram-positive, spherical bacteria that often grow in chains, In what ways can Streptococcus bacteria spread from an infected person to a healthy one?", Mainly by respiratory droplets or direct contact with infected secretions  , What is seen in Gram stain of Streptococcus?, It shows Gram-positive cocci arranged in short chains., What are the two main types of clinical manifestations of Streptococcus?, The two main types are suppurative, Why are children and elderly people considered high-risk populations for this infection?", Because their immune defenses may not be strong enough to fight the infection..

Streptococcus

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