Open science and conflict of interest policies of medical and health sciences journals before and during the COVID-19 pandemic: A repeat cross-sectional study: Open science policies of medical journals.

The COVID-19 pandemic has highlighted the importance of practising open science. However, requirements for open science practices in audited policies were overall low, which may impede progress in health and medical research. As key stakeholders in disseminating research, journals should promote a research culture of greater transparency and more robust open science practices.