Compared with other countries, a more substantial decrease in the incidence of invasive pneumococcal disease was observed in Hong Kong, which is most likely attributable to the proactive mass adoption of face masks by the public. Human behavioral changes, particularly mask wearing, should be considered as an additional preventive strategy against invasive pneumococcal disease.
Keywords: COVID-19; Hong Kong; invasive pneumococcal disease.
© The Author(s) 2021. Published by Oxford University Press for the Infectious Diseases Society of America.