An audit of uptake of flu, COVID-19 and pneumococcal vaccines in a cohort of people living with HIV

ABSTRACT

Background: People living with HIV are at greater risk of complications associated with influenza, SARS-CoV-2 and pneumococcus than the general population and BHIVA guidelines recommend vaccinating all patients against these infections. The purpose of this audit was to determine the uptake of these vaccines, and factors associated with uptake, to inform vaccine delivery models. Method(s) All patients who received HIV care in our service at the end of November 2022 were included. Demographic data were collected from the service database, clinical data and pneumococcal vaccine (Prevenar-13) status were obtained from clinical records and COVID-19 and flu vaccine (2021) uptake was obtained from the Vaccine Management Tool (VMT). At the time of audit all patients were recommended to have received at least 3 doses of a SARS-CoV-2 vaccine. Caldicott approval was received for this work. Result(s) There were 364 patients known to the service of which one was excluded as clinical information was not available. Sixty-seven percent had received flu vaccine, 88% >= one dose of COVID-19 vaccination, 76% at least 3 doses of COVID-19 vaccination and 88% had received Prevenar-13. Three percent had received no vaccines and 60% had completed all vaccines. Uptake of both flu and COVID-19 vaccines were lower in the following groups <50 years old (51% and 62% respectively), urban residence (65%, 71%), higher deprivation scores (51-65%, 64-75%) less time in HIV care (57%, 70%), those not on ART (13%, 25%), CD4 <200 cells/mm3 (40%, 50%), detectable viral load (33%, 42%), those out of care (23%, 23%) and those known to the harm reduction service (33%, 33%). There was higher uptake of Prevenar-13 in all groups. Uptake of all vaccines was high in those with comorbidities. Conclusion(s) The high uptake of Prevenar-13 in higher risk groups suggests that the model of vaccine delivery, opportunistic and pro-active recall for inhouse vaccination, is more effective for protecting those at highest risk for poor outcomes and for those for whom access is challenging compared to the centralised national recall system at designated Vaccine hubs. Vaccination resourcing, planning and delivery should consider the needs of specific risk groups to ensure best outcomes.