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Paper Title

A ROLE OF VACCINATION IN PREVENTING PNEUMOCOCCAL DISEASE IN ADULTS

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Registration ID: IJNRD_302700

Published ID: IJNRD2412148

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Keywords

Invasive pneumococcal disease, pneumococcal, pneumonia, Streptococcus pneumoniae, vaccination, vaccine

Abstract

Pneumococcal infections, including pneumonia and invasive disease, are major sources of morbidity and mortality worldwide. Prevention of the first acquisition of Streptococcus pneumoniae through the use of vaccines represents an effective method to reduce the burden of the disease in both children and adults. Two vaccines are currently available in adults: a pneumococcal polysaccharide vaccine (PPV23) that includes 23 purified capsular polysaccharide antigens and a pneumococcal protein-conjugate vaccine (PCV13) that includes capsular polysaccharide antigens covalently linked to a non-toxic protein. The PPV23 induces a humoral immune response and since it has been licensed has been the subject of debates and controversies. Numerous studies and meta-analyses have shown that PPV23 protects against invasive pneumococcal disease, although there are conflicting data regarding its efficacy for the prevention of pneumonia. Vaccination with PCV13 stimulates good antibody responses as well as mucosal immunity and suppresses colonization. A conjugate vaccine can be expected to have benefits over a polysaccharide vaccine because of the characteristics of a T-cell-dependent response in terms of affinity, maturation of antibodies with repeated exposure, induction of immunological memory and long-lasting immunity.PCV13 has demonstrated all of these characteristics in children and fundamental differences in adults are not expected. The efficacy in adults is currently being investigated and results will be available soon.  Vaccination with PCV13 stimulates good antibody responses as well as mucosal immunity and suppresses colonization. A conjugate vaccine can be expected to have benefits over a polysaccharide vaccine because of the characteristics of a T-cell dependent response in terms of affinity, maturation of antibodies with repeated exposure, induction of immunological memory and long-lasting immunity. The World Health Organization (WHO) recommends the use of the conjugate vaccine in the routine immunizations given to children. This includes those with HIV/AIDS. The recommended three or four doses are between 71 and 93% effective at preventing severe pneumococcal disease.

How To Cite (APA)

K.Malleswari, DR. D. Rama Brahma Reddy, & CH.sahithi (December-2024). A ROLE OF VACCINATION IN PREVENTING PNEUMOCOCCAL DISEASE IN ADULTS. INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT, 9(12), b510-b519. https://ijnrd.org/papers/IJNRD2412148.pdf

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Other Publication Details

Paper Reg. ID: IJNRD_302700

Published Paper Id: IJNRD2412148

Research Area: Pharmacy All

Author Type: Indian Author

Country: Guntur, Andhra pradesh, India

Published Paper PDF: https://ijnrd.org/papers/IJNRD2412148.pdf

Published Paper URL: https://ijnrd.org/viewpaperforall?paper=IJNRD2412148

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