Randomized clinical trial of a single versus a double dose of 13 - valent pneumococcal conjugate vaccine in adults 55 through 74 years of age previously vaccinated with 23 - valent pneumococcal polysaccharide vaccine. (researchmatch.org)
All 11 - to -12-year-olds should be vaccinated with a single dose of a quadrivalent meningococcal conjugate vaccine, which protects against infections such as meningitis. (verywellfamily.com)
Vaccines offer another way to tackle drug resistant infections and we have a unique opportunity to address typhoid with a new Typhoid Conjugate Vaccine that has been recently prequalified by the World Health Organisation.» (sanger.ac.uk)