I think I might have heard this at some point in the past.
Anyway, I found a reference to support your claim:
Also consistent with the conclusions of Torrey1 and Saha et al,2 our analyses shown in table 3 found a strong tendency for prevalence to increase with latitude.[1]
Anyway, I found a reference to support your claim:
Also consistent with the conclusions of Torrey1 and Saha et al,2 our analyses shown in table 3 found a strong tendency for prevalence to increase with latitude.[1]
1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2669590/