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An observational study of antibody responses to a primary or subsequent pertussis booster vaccination in Australian healthcare workersAdult pertussis vaccination is increasingly recommended to control pertussis in the community. However, there is little data on the duration and kinetics of immunity to pertussis boosters in adults. We compared IgG responses to vaccination with a tetanus, low-dose diphtheria, low-dose acellular pertussis (Tdap) booster at 1 week, 1 month and 1 year post-vaccination in whole-cell (wP)-primed Australian paediatric healthcare workers who had received an adult Tdap booster 5-12 years previously, to those who received their first Tdap booster.
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Indirect effects of the COVID-19 pandemic on malaria intervention coverage, morbidity, and mortality in Africa: a geospatial modelling analysisSubstantial progress has been made in reducing the burden of malaria in Africa since 2000, but those gains could be jeopardised if the COVID-19 pandemic affects the availability of key malaria control interventions. The aim of this study was to evaluate plausible effects on malaria incidence and mortality under different levels of disruption to malaria control.
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Financial Interventions to Increase Vaccine CoverageRecent vaccine mandates in Australia, as in other high income settings, have sought to change the behavior of parents, including those who would otherwise access nonmedical exemptions. Since 2014, Australian state governments have introduced and progressively tightened policies restricting the access of unvaccinated children to early education and child care.
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The incidence of sore throat and group A streptococcal pharyngitis in children at high risk of developing acute rheumatic fever: A systematic review and meta-analysisGroup A streptococcal (GAS) pharyngitis has traditionally been considered the sole precursor of acute rheumatic fever (ARF). Evidence from Australia, however, suggests that GAS skin infections may contribute to the pathogenesis of ARF.
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A model of population dynamics with complex household structure and mobility: implications for transmission and control of communicable diseasesHouseholds are known to be high-risk locations for the transmission of communicable diseases. Numerous modelling studies have demonstrated the important role of households in sustaining both communicable diseases outbreaks and endemic transmission, and as the focus for control efforts. However, these studies typically assume that households are associated with a single dwelling and have static membership.
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Vaccination strategies to enhance immunity in neonatesProtection may be further improved by integrating these approaches, namely vaccinating the neonate under the cover of vertically transferred maternal immunity
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Prevalence of group A Streptococcal infection in Africa to inform GAS vaccines for rheumatic heart disease: A systematic review and meta-analysisThe prevalence of group A streptococcal disease remains high among symptomatic individuals residing in Africa
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Maternal HIV infection alters antimicrobial immunity in exposed and uninfected infantsImplementation of lifelong ART of all HIV-infected women has the potential to improve maternal determinants of protective immunity in the young infant
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Factors associated with pneumococcal carriage in children and adults in Fiji, using four cross-sectional surveysThis study describes predictors of pneumococcal nasopharyngeal carriage and density in Fiji. We used data from four annual cross-sectional surveys, pre- and post-introduction of ten-valent pneumococcal conjugate vaccine in October 2012.
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Molecular Epidemiology of Noninvasive and Invasive Group A Streptococcal Infections in Cape TownThere is low coverage of the multivalent M protein vaccine in our setting, emphasizing the need to reformulate the vaccine to improve coverage