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Annual Ovid MEDLINE Reload Complete – February 2020


Annual Ovid MEDLINE Reload Complete

Dear Ovid MEDLINE Customer:

The 2020 Ovid MEDLINE global reload is now complete. AutoAlerts ran on Saturday and Sunday, February 15/16, 2020 prior to the reload going live. The Ovid MEDLINE database has been reloaded to implement 2020 MeSH.

More information about the changes to 2020 MeSH can be found on this NLM page:

In addition, Ovid will make the following changes:

Registry and Related Registry Numbers are now searchable. They are now available in the scope note of the Subject Heading terms.

1 New Publication Type Limit

  • Randomized Controlled Trial, Veterinary

4 Changed Publication Type Limits

  • Evaluation Study
  • Government Publications
  • Validation Study
  • Webcast

1 Deleted Field

  • Publisher (PB)*

*A redundant field that was not in use. However, the field code and naming were confusing to users.

1 Deleted Limit

  • Checktags


Late breaking news. As announced by the NLM a new Supplementary Concept Record for Coronavirus Disease 2019 (COVID-19) was added to MEDLINE. In order to retrieve all relevant records on COVID-19 from Ovid MEDLINE we recommend the following search strategy:

Ovid MEDLINE(R) ALL 1946 to February 14, 2020

# Searches Results Type
1 (exp coronavirus/ or coronavirus*.mp.) and (wuhan or beijing or shanghai or 2019-nCoV or nCoV or COVID-19).mp. 260
2 coronavirus*.ti. or (novel coronavirus*.mp. and (exp china/ or or (( or exp pneumonia/) and 6446 Advanced
3 (‘COVID-19’ or ‘2019-nCov’).mp. or exp Coronavirus Infections/ 9551 Advanced
4 2 or 3 13038 Advanced
5 limit 4 to yr=”2020 -Current” 316 Advanced
6 1 or 5 419 Advanced



Feel free to contact Customer Support with any questions by sending an email to [email protected].


Wolters Kluwer – Ovid