Maternal tetanus, diphtheria, and acellular pertussis (Tdap) and influenza immunization: an overview

Brillo, Eleonora; Tosto, Valentina; Giardina, Irene; Buonomo, E

doi:10.1080/14767058.2019.1680633

Cited by 7 publications

(7 citation statements)

References 211 publications

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“…The results suggest a real benefit of maternal Tdap vaccination for newborns and young infants. Overall, a growing body of publications has found no association between maternal Tdap vaccination and the evaluated adverse pregnancy and/or fetal outcomes [48][49][50][51][52][53][54]. An increased risk of chorioamnionitis in women exposed to Tdap during pregnancy was observed in three studies [101][102][103].…”

Section: What Is New?mentioning

confidence: 97%

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A systematic review of the burden of pertussis disease in infants and the effectiveness of maternal immunization against pertussis

Kandeil

Ende²,

Bunge³

et al. 2020

Expert Review of Vaccines

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Introduction: Infants too young to be fully immunized are the most vulnerable to severe pertussis disease. To close this susceptibility gap, passive infant immunization through vaccination of pregnant women against pertussis was first introduced in 2011 in the United States and has been extended since then to more than 40 countries. Areas covered: We conducted two systematic literature searches to describe the worldwide burden of pertussis disease in infants <6 months of age since 2005, and the effectiveness and impact of maternal pertussis vaccination in preventing infant pertussis since 2011. Expert opinion: Pertussis disease incidence rates in infants aged <2-3 months were substantial in all countries with available data, exceeding 1000 cases per 100,000 population during outbreaks. Virtually all pertussis deaths occurred in this age group. Data from Africa, Eastern Mediterranean, and Asia were limited, but suggest a similar or higher disease burden than in Europe or the Americas. Estimates of effectiveness of second/third trimester pertussis vaccination in preventing pertussis disease in <2-3 months old infants were consistently high (69%-93%) across the observational studies reviewed, conducted in various settings with different designs. Maternal vaccination programs appear to be achieving their goal of reducing the burden of disease in very young infants.

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Section: What Is New?mentioning

confidence: 97%

“…The selected literature was restricted to prospective or retrospective observational studies or data from notifiable disease surveillance systems. Information on the other aspects of maternal immunization including safety and immunogenicity was not considered in this review and have been described elsewhere [48][49][50][51][52][53][54].…”

Section: Objectivesmentioning

confidence: 99%

A systematic review of the burden of pertussis disease in infants and the effectiveness of maternal immunization against pertussis

Kandeil

Ende²,

Bunge³

et al. 2020

Expert Review of Vaccines

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“…12 Nonetheless, a number of countries, including Italy, 12 Spain, 13 nine other countries in Europe, 14 United States (US), 15 New Zealand, Australia, Argentina, Brazil, the Bahamas, Chile, Costa Rica, El Salvador, Honduras, Mexico 16 have recommended Tdap vaccines in pregnancy, albeit at different schedules. Many countries report low coverage for Tdap in pregnant women [17][18][19][20] and some have no reliable coverage data. 21,22 There are a number of reported reasons for the low coverage rates for maternal vaccination.…”

Section: Introductionmentioning

confidence: 99%

Determinants of policy and uptake of national vaccine programs for pregnant women: results of mixed method study from Spain, Italy, and India

Privor-Dumm

2020

Human Vaccines & Immunotherapeutics

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An important strategy for addressing maternal and newborn risks of disease is through vaccinating pregnant women. We conducted a mixed-methods study including a narrative literature review of drivers of maternal vaccination and key informant interviews in Spain, Italy, and India to characterize different approaches to national maternal immunization programs. Fifty-nine respondents participated in the study conducted between November 2018 and January 2019. Policies in Spain and Italy both reflect a life-course approach to vaccination, but recommendations and how they ensure uptake differs. Italy was focused on tracking of progress and mandates to ensure compliance in all regions, while Spain, an early adopter, relied more on advocacy and building provider acceptance. India includes Td in their national program, but the political will and advocacy for other vaccines are not seen. Needs for improving rates of maternal vaccination include education of health-care providers and pregnant women, use of central registries to track progress, stronger global guidance for use of vaccines, and engagement of champions, particularly obstetrician-gynecologists (ob-gyns). Health security concerns can also be leveraged to build political priority and needed platforms to detect disease and deliver vaccines in some countries. Understanding what drives a country's maternal immunization program decisions and the success of implementation is useful in designing strategies to share best practices and guide support to strengthen platforms for maternal vaccination.

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“…6 Many countries, including the United States, [7][8][9][10][11] the United Kingdom, 12 Belgium, 13,14 New Zealand 15,16 and Switzerland, 17 have also recommended routine maternal Tdap immunization at every pregnancy. Maternal Tdap vaccine coverage has been suboptimal in several countries, [7][8][9][10][11][12][13][14][16][17][18][19][20] such as in the US, where vaccine coverage was about 57% in 2019-2020. 11 Public Health England reported that, in 2019-2020, maternal Tdap vaccine coverage was about 70%.…”

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confidence: 99%

Coverage for pertussis vaccination during pregnancy with 4 models of vaccine delivery: a quasiexperimental, multicentre observational study

Brousseau

Guay

et al. 2022

cmajo

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P ertussis infection and complications can be severe in young infants. 1,2 From 2006 to 2015, infants younger than 1 year had the highest hospitalization rates (33.6 cases per 100 000 population) in Canada. 1 Infants younger than 2 months, who have not started their primary vaccination against pertussis, accounted for nearly half (40.5%) of admissions to special care units. 1 Administration of the tetanus-diphtheria-acellular pertussis (Tdap) vaccine during pregnancy increases transplacental transfer of maternal antibodies and provides direct protection of the infants. 1,[3][4][5] In 2018, the National Advisory Committee on Immunization recommended the systematic vaccination of all pregnant people against pertussis, at every pregnancy. 4 As of May 2018, the province of Quebec has recommended maternal Tdap immunization, ideally between 26 and 32 weeks' gestation, for every pregnancy. 6 Many countries, including the United States, [7][8][9][10][11] the United Kingdom, 12 Belgium, 13,14 New Zealand 15,16 and Switzerland, 17 have also recommended routine maternal Tdap immunization at every pregnancy. Maternal Tdap vaccine coverage has been suboptimal in several countries, [7][8][9][10][11][12][13][14][16][17][18][19][20] such as in the US, where vaccine coverage was about 57% in 2019-2020. 11 Public Health England reported that, in 2019-2020, maternal Tdap vaccine coverage was about 70%. 12 The

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Maternal tetanus, diphtheria, and acellular pertussis (Tdap) and influenza immunization: an overview

Cited by 7 publications

References 211 publications

A systematic review of the burden of pertussis disease in infants and the effectiveness of maternal immunization against pertussis

A systematic review of the burden of pertussis disease in infants and the effectiveness of maternal immunization against pertussis

Determinants of policy and uptake of national vaccine programs for pregnant women: results of mixed method study from Spain, Italy, and India

Coverage for pertussis vaccination during pregnancy with 4 models of vaccine delivery: a quasiexperimental, multicentre observational study

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