[Svartalfiar]

Type of household, COVID duty, single-dose ivermectin prophylaxis, vitamin-C prophylaxis and hydroxychloroquine prophylaxis were not associated with COVID-19 infection.

Huh? So does this mean they didn't look at these, or they were 100% effective?

[ProtectOurFreedom]

Type of household, COVID duty, single-dose ivermectin prophylaxis, vitamin-C prophylaxis and hydroxychloroquine prophylaxis were not associated with COVID-19 infection.

I could not figure out what the authors were saying there either. I find that the English language on the Indian subcontinent often gets really mangled. In their defense, I find that most American students and recent graduates have a hard time writing anything coherent and understandable.