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1.
Vaccine ; 40(9): 1246-1252, 2022 02 23.
Article in English | MEDLINE | ID: covidwho-1665512

ABSTRACT

BACKGROUND: Between May 2005 and March 2007, three vaccines were recommended by the Advisory Committee on Immunization Practices for routine use in adolescents in the United States: quadrivalent meningococcal conjugate vaccine (MenACWY), tetanus, diphtheria and acellular pertussis vaccine (Tdap), and human papillomavirus vaccine (HPV). Understanding historical adolescent vaccination patterns may inform future vaccination coverage efforts for these and emerging adolescent vaccines, including COVID-19 vaccines. METHODS: This was a descriptive, retrospective cohort study. All vaccines administered to adolescents aged 11 through 18 years in the Vaccine Safety Datalink population between January 1, 2007 and December 31, 2016 were examined. Vaccination coverage was assessed by study year for ≥1 dose Tdap or Td, ≥1 dose Tdap, ≥1 dose MenACWY, ≥1 dose HPV, and ≥3 dose HPV. The proportion of vaccine visits with concurrent vaccination (≥2 vaccines administered at the same visit) was calculated by sex and study year. The most common vaccine combinations administered in the study population were described by sex for two time periods: 2007-2010 and 2011-2016. RESULTS: The number of 11-18-year-olds in the study population averaged 522,565 males and 503,112 females per study year. Between January 2007 and December 2016 there were 4,884,553 vaccine visits in this population (45% among males). The overall proportion of concurrent vaccine visits among males was 43% (33-61% by study year). Among females, 39% of all vaccine visits included concurrent vaccination (32-48% by study year). Vaccine coverage for Tdap, MenACWY, and 1- and 3-dose HPV increased across the study period. A wide variety of vaccine combinations were administered among both sexes and in both time periods. CONCLUSIONS: The high vaccine uptake and multitude of vaccine combinations administered concurrently in the adolescent population of the Vaccine Safety Datalink provide historical patterns with which to compare future adolescent vaccination campaigns.


Subject(s)
Vaccination , Vaccines , Adolescent , COVID-19 , COVID-19 Vaccines/administration & dosage , COVID-19 Vaccines/adverse effects , Diphtheria-Tetanus-acellular Pertussis Vaccines/administration & dosage , Diphtheria-Tetanus-acellular Pertussis Vaccines/adverse effects , Female , Humans , Immunization Schedule , Male , Meningococcal Vaccines/administration & dosage , Meningococcal Vaccines/adverse effects , Papillomavirus Vaccines/administration & dosage , Papillomavirus Vaccines/adverse effects , Retrospective Studies , SARS-CoV-2 , United States , Vaccination/trends , Vaccines/administration & dosage , Vaccines/adverse effects
2.
N Z Med J ; 133(1525): 114-118, 2020 11 20.
Article in English | MEDLINE | ID: covidwho-938034

ABSTRACT

It is now over a decade since the meningococcal B vaccine, MeNZB, was in routine use in New Zealand. From July 2004 until June 2008 it was administered in a three-dose schedule to over a million individuals, aged six weeks to 20 years, to provide protection against the epidemic strain of group B Meningococci. The cost of the campaign, including the development of the vaccine was substantial, in excess of $200M, but it contributed to a reduced incidence of meningococcal infections along with a reduction in morbidity and mortality. The campaign led to the development of a national immunisation register (NIR), which is still in existence today. As well as considering the legacies of the MeNZB vaccination programme, this paper examines whether there are any lessons to be learned, specifically concerning active vaccine safety monitoring, which may be important if, and when, a COVID-19 vaccine is developed and a national immunisation campaign instituted.


Subject(s)
COVID-19 , Immunization Programs , Meningococcal Infections , Meningococcal Vaccines , Neisseria meningitidis, Serogroup B/immunology , COVID-19/epidemiology , COVID-19/prevention & control , Drug Monitoring/methods , Drug Monitoring/statistics & numerical data , Epidemiological Monitoring , Health Planning/methods , Humans , Immunization Programs/economics , Immunization Programs/methods , Immunization Programs/organization & administration , Knowledge Management , Meningococcal Infections/epidemiology , Meningococcal Infections/prevention & control , Meningococcal Vaccines/administration & dosage , Meningococcal Vaccines/adverse effects , Needs Assessment , New Zealand/epidemiology , Registries/statistics & numerical data , SARS-CoV-2 , Safety Management/organization & administration
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