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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Streptococcus pneumoniae, true is:
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The correct answer is  Ans. is 'a' i.e., Vaccine is made from capsular polysaccharide (Ref: Ananthanarayan, 8th/e, p. 223, 9th/e, p. 221)* There are currently two types of pneumococcal vaccines: pneumococcal conjugate vaccine (PCV13) and pneumococcal polysaccharide vaccine (PPSV23).* There are more than 90 types of pneumococcal bacteria.* PCV13 protects against 13 types which is better than previous 7 types.* PPSV23 protects against 23 types.* Both vaccines provide protection against illnesses like meningitis (infection of the covering of the brain and spinal cord) and bacteremia (blood infection). PCV13 also provides protection against pneumonia (lung infection).* PCV13: Pneumococcal conjugate vaccine for all infants and children, and adults 19 years and older at high risk for disease.* PPSV23: Pneumococcal polysaccharide vaccine for all adults 65 years and older and those 2 years of age and older at high risk for disease.