Astra Zeneca-Oxford COVID vaccine by far the best for SL Source:Dailymirror The Astra Zeneca-oxford vaccine candidate is presently seen as the best for Sri Lanka against COVID-19, an official said yesterday. Director General of Health Services Dr. Asela Gunawardane told Daily Mirror, the final decision on the use of any vaccine would, however, depend on a myriad of other factors such as approval by the World Health Organization and purchasing agreements. ...

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