1. WHO, "Director-General's opening remarks at the media briefing on COVID19," March 2020, [updated 2022 Mar 22
2. cited 2022 Mar 22]. Available from: https://www.who.int/director-general/speeches/detail/who-director-general-s-opening-remarks-at-the-media-briefing-on-covid-19---11-march-2020.
3. Worldometer, "COVID-19 coronavirüs pandemic 2021,''c2021. [updated 2022 Mar 22
4. cited 2022 Mar 22]. Available from: https://www.worldometers.info/coronavirus/
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