Changes in the incidence of invasive disease due to Streptococcus pneumoniae, Haemophilus influenzae, and Neisseria meningitidis during the COVID-19 pandemic in 26 countries and territories in the Invasive Respiratory Infection Surveillance Initiative: a prospective analysis of surveillance data - Brueggemann, AB; Jansen van Rensburg, MJ; Shaw, D (Lancet Digit Health, 2021)