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- All words: Returns only documents that match all words.
- Any word: Returns documents that match any word.
- Exact Phrase: Returns only documents that match the exact phrase entered.
- Phrase Prefix: Works like the Exact Phrase mode, except that it allows for prefix matches on the last term in the text.
- Wildcard: Returns documents that match a wildcard expression.
- Fuzzy query: Returns documents that contain terms similar to the search term. For example: If you search for Kolumbia. It will return search results that contain Columbia or Colombia.

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  1. Evidence and data to policy
  2. COVID-19 initiatives

COVID-19 initiatives

WHO is developing a series of products related to COVID-19, which include:

NEDtP case studies that showcase how evidence has been used to support the COVID-19 response in a number of countries and provide valuable guidance for all countries in sharing success stories and lessons learnt. Case studies are currently being developed in Afghanistan, Islamic Republic of Iran, Jordan, Libya, Morocco, Oman, Pakistan, Palestine, Yemen, Saudi Arabia, Somalia, Sudan and Syria. 

Supporting studies on COVID-19-related medication safety and review of national treatment protocols.

COVID-19 vaccine effectiveness studies that will allow estimation of the effectiveness of vaccines in the field, as compared with the reported efficacy from trials. Vaccine effectiveness studies are currently being developed in Pakistan.

COVID-19 vaccine effectiveness studies

Capacity-building session for Eastern Mediterranean regional COVID-19 vaccine effectiveness study; using cohort study in health care workers’ method, December 2021

Presentations

COVID-19 vaccine effectiveness in health workers; WHO protocol overview

Introduction to REDCap 

Minimum criteria and checklist of requirements for countries 

Post-introduction COVID-19 vaccine effectiveness studies among health care workers in the European Region

Support for COVID-19 vaccine effectiveness studies in countries of the Region: evidence generation for immunization policy-making

Vaccine effectiveness studies to guide immunization policies

Capacity-building session for Eastern Mediterranean regional COVID-19 vaccine effectiveness study; using test-negative design in severe acute respiratory infection (SARI) method, December 2021

Presentations

COVID-19 vaccine effectiveness in severe acute respiratory 

2021 COVID-19 vaccine effectiveness against hospitalisation due to laboratory-confirmed SARS-CoV-2 infection Pooled results from nine European countries

Existing SARI surveillance systems for influenza and integration with SARS-CoV-2 surveillance in the Region

Introduction to REDCap 

Minimum criteria and checklist of requirements for countries 

Support for COVID-19 vaccine effectiveness studies in countries of the Region: evidence generation for immunization policy-making

Session 1: Interactive capacity-building session on using REDCap for data management in the regional COVID-19 VE study: test-negative design in severe acute respiratory infection (SARI) and cohort study in health care workers methods

Introduction to using REDCap for data management in the regional COVID-19 VE study

Session 2: REDCap in the regional COVID-19 vaccine effectiveness studies: test-negative design in the severe acute respiratory infection method

Using REDCap for data management in the regional COVID-19 VE study: test-negative design in the severe acute respiratory illness method

Session 3: REDCap in the regional COVID-19 vaccine effectiveness studies: cohort study in health care workers

Using REDCap for data management in the regional COVID-19 VE study: cohort study in the health care workers' method

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