Received: 20 July 2020
Accepted: 26 July 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: The study protocol has been approved by the ethics review committee of the Aga Khan University, Karachi Pakistan. Approved on 16<sup>th</sup> July 2020. Reference # 2020-4926-11376. The authors certify that this trial has received ethical approval from the appropriate ethical committee as described above. Informed consent will be obtained in Urdu language (or in English for those who are well versed with the latter), where the harms and benefits of the gargles and nasal lavage will be explained along with the method of their use in a simple language. In addition to the clinical trial, this consent will also entail the use of biological specimens for the laboratory testing and analysis. The details are stated in the Urdu and English consent forms. The signed consent forms will be retained for the record purpose.
: Not applicable.
: The authors declare that they have no competing interests.