The article's lead section may need to be rewritten. Please help improve the lead and read the lead layout guide. (July 2023) (Learn how and when to remove this message) A hospital receiving more vaccinated COVID-19 patients than unvaccinated ones might suggest that the vaccine is ineffective, but such an imbalance is to be expected within a highly vaccinated population.[1] The base rate fallacy,
{{#tags}}- {{label}}
{{/tags}}