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,

HIGHLIGHTS

SUMMARY

In a smaller open-label study in athletes, the proportions of virusprotected persons per treatment group were not released, but there was no significant difference in number of CC episodes/person between the CZ-MD and control group. Of all, it seems to ignore the fact that ColdZyme (CZ-MD) was not used for prophylaxis in this study, and in fact this is clearly stated in the methods. That is, in the Treatment section, the authors wrote "Participants in the treatment (ColdZyme) group were asked to use the ColdZyme product in accordance with manufacturer . . .

 



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