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COVID Intel - by William Makis (McGill Medicine)'s metrics, benchmarks, and sponsor data in one document
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139K
Top 10% in Health
substack
Health
0.13%· ~180/post
(comments + likes) / subscribers
vs 0.00% category avg
Daily
12.0 posts/week avg
vs 1.0/week category avg
$7.5/mo
Category avg: $14.38/mo
777
newsletters in Health
Top 10% in Health
out of 777 newslettersPublishing Frequency
Daily
Last published Mar 24, 2026
12.0 posts/week avg