Expert Rev Vaccines. 2009;8(8):1051-1061. Simply defined as an extension of the benefit of protection from immunization in those immunized to those unimmunized in a community, herd effect was key ...

pneumococcal conjugate vaccine (PCV13), and pneumococcal polysaccharide vaccine (PPSV23). The PCV13 should be administered first, followed by the PPSV23 after eight weeks. Patients over the age of 60 ...

Although pneumococcal polysaccharide vaccine is a standard preventive intervention — and serves as a "quality indicator" in some settings — controversy over its effectiveness simmers in the ...

Robert F. Kennedy Jr., President Trump’s nominee to be health secretary, would have oversight power over the vaccine’s maker, Merck, if confirmed. By Christina Jewett and Sheryl Gay Stolberg ...

Trump’s choice to lead the nation’s health agencies, formally asked the Food and Drug Administration to revoke the authorization of all Covid vaccines during a deadly phase of the pandemic ...

Covid vaccines saved lives. Lots of them. Research by the World Health Organization (WHO) now puts the number at 475,000 in the UK with many more kept out of hospital or off a ventilator.