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Comment
. 2022 Dec 30;20(1):630.
doi: 10.3390/ijerph20010630.

Comment on Huijghebaert et al. Does Trypsin Oral Spray (Viruprotect®/ColdZyme®) Protect against COVID-19 and Common Colds or Induce Mutation? Caveats in Medical Device Regulations in the European Union. Int. J. Environ. Res. Public Health 2021, 18, 5066

Affiliations
Comment

Comment on Huijghebaert et al. Does Trypsin Oral Spray (Viruprotect®/ColdZyme®) Protect against COVID-19 and Common Colds or Induce Mutation? Caveats in Medical Device Regulations in the European Union. Int. J. Environ. Res. Public Health 2021, 18, 5066

Glen Davison. Int J Environ Res Public Health. .

Abstract

I read with interest the recent paper of Huijghebaert et al. published recently in this journal [...].

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Conflict of interest statement

This does not affect this author’s adherence to the Journal’s policies. The funders had no role in this letter to the editor.

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References

    1. Huijghebaert S., Vanham G., Van Winckel M., Allegaert K. Does Trypsin Oral Spray (Viruprotect®/ColdZyme®) Protect against COVID-19 and Common Colds or Induce Mutation? Caveats in Medical Device Regulations in the European Union. Int. J. Environ. Res. Public Health. 2021;18:5066. doi: 10.3390/ijerph18105066. - DOI - PMC - PubMed
    1. Davison G., Perkins E., Jones A.W., Swart G.M., Jenkins A.R., Robinson H., Dargan K. Coldzyme® Mouth Spray reduces duration of upper respiratory tract infection symptoms in endurance athletes under free living conditions. Eur. J. Sport. Sci. 2021;21:771–780. doi: 10.1080/17461391.2020.1771429. - DOI - PubMed

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