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Population pharmacokinetics of penicillin G: insights into increased clearance at low concentrations to guide development of improved long-acting formulations for syphilis

Although benzylpenicillin (penicillin G) is listed by the World Health Organization as an Essential Medicine, dose optimization is a persistent challenge, especially for long-acting intramuscular formulations. Maintaining sustained antibiotic exposure at target concentrations is crucial for secondary chemoprophylaxis of rheumatic heart disease and treatment of syphilis. 

Follow-up and Outcomes of Infants Perinatally-exposed to HIV in a Low-prevalence Setting: The Multicenter Children's HIV Exposure Study 2

To investigate the follow-up and outcomes of HIV-exposed infants in a setting of low HIV prevalence.  This was a multicenter, retrospective study of live-born infants of women known to be living with HIV, at 9 tertiary pediatric centers in Australia and New Zealand from 2009-2025. Antenatal, perinatal, and postnatal data, and outcomes at clinic visits to 18 months of age were collected, including co-morbidities, development, and HIV results.

Inferring temporal trends of multiple pathogens, variants, subtypes or serotypes from routine surveillance data

Estimating the temporal trends in infectious disease activity is crucial for monitoring disease spread and the impact of interventions. Surveillance indicators routinely collected to monitor these trends are often a composite of multiple pathogens. For example, "influenza-like illness"-routinely monitored as a proxy for influenza infections-is a symptom definition that could be caused by a wide range of pathogens, including multiple subtypes of influenza, SARS-CoV-2, and RSV.

The politics of picking: Selective vaccinators and population-level policy

Public health systems face tensions between individuals and the collective. Parents who selectively vaccinate demonstrate this tension

Mandatory vaccination and no fault vaccine injury compensation schemes: An identification of country-level policies

Countries that mandate childhood vaccination without providing no fault compensation schemes could be seen as abrogating the social contract

Midwives’ attitudes, beliefs and concerns about childhood vaccination: A review of the global literature

The majority of midwives supported vaccination, although a spectrum of beliefs and concerns emerged

Investigation of group A Streptococcus immune responses in an endemic setting, with a particular focus on J8

We analysed the stimulation of J8 antibodies in response to infection, and the role of existing J8 antibodies in protection against subsequent infection

Pcv7-and pcv10-vaccinated otitis-prone children in new zealand have similar pneumococcal and haemophilus influenzae densities in their nasopharynx and middle ear

PCV10 did not reduce NTHi density in the nasopharynx or middle ear, and was associated with increased pneumococcal nasopharyngeal density

Perinatal Risk Factors Associated With Gastroenteritis Hospitalizations in Aboriginal and Non-Aboriginal Children in Western Australia (2000-2012)

Given the beneficial effect of infant rotavirus vaccination efforts should be taken to optimize rotavirus vaccine coverage in those at highest risk

Is Streptococcus pyogenes resistant or susceptible to trimethoprim-sulfamethoxazole?

Streptococcus pyogenes is commonly believed to be resistant to trimethoprim-sulfamethoxazole (SXT), resulting in reservations about using SXT for skin and...