Letter in response to: Alamer A, Alrashed AA, Alfaifi M, et al. Effectiveness and safety of favipiravir compared to supportive care in moderately to critically ill COVID-19 patients: a retrospective study with propensity score matching sensitivity analysis. Curr Med Res Opin. 2021;19:1-13. DOI: 10.1080/03007995.2021.1920900

Curr Med Res Opin. 2022 Mar;38(3):355-356. doi: 10.1080/03007995.2021.2020463. Epub 2021 Dec 31.

¹ Pandit Deendayal Energy University, Knowledge Corridor, Raysan, Gandhinagar, Gujarat 382426, India.
² North West Medical Centre, Margate, Florida 33063, USA.
³ SRM Medical College Hospital and Research Centre, Tamil Nadu 603203, India.

No abstract available

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