Description of the change: Adjusted 'Cochrane Review' to 'Cochrane review'.
Removed information about MECIR.
Added information about focused review format.
Added details about formatting.
Description of the change: NNTB/NNTH swapped to alphabetical order.
Abbreviations alphabetised
COVID-19 added
RNA added
Text with link to Glossary of terms deleted
Cochrane Review changed to Cochrane review.
Description of the change: Updated RevMan Web to RevMan.
Added note about URLs in references.
Updated web address example for Cochrane Review Group from Heart to Acute Respiratory Infections.
Description of the change: Citing databases and study registers:
1. second paragraph adjusted to reflect situation after closure of some UK CRGs;
2. fourth paragraph, text relating to description of searching activities in the Abstract adjusted to reflect current requirements.
3. Dates changed in bulleted list (2015 to 2023).
4. Text added about search strategy supplementary material in FRF.
5. Cochrane Review changed to Cochrane review