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Track COVID Intel - by William Makis (McGill Medicine)'s growth
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Platform Portability
Uses Substack subdomain (makisw.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Cutting Edge Cancer Research, Repurposed Drugs in Cancer, Ivermectin, Mebendazole, Fenbendazole. Content is for informational purposes only. Entirely donation based. None of the information constitutes medical advice (see your doctor as needed).
Data updated Today
Avg Comments
26.6
Avg Likes
144.1
Engagement Rate
0.12%· ~171 likes + comments/post
(comments + likes) / subscribers
Typical for lists with 145K+ subscribers
Quality Score
Engagement vs Health
0.12% engagement rate
Score Breakdown
Engagement Score
| Public |
| Public |
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
| Subscriber-only |
| Public |
| Subscriber-only |
| Subscriber-only |
8.6K paid
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Start tracking — freeTrack CPM rates as they change
Start tracking — freeSubscriber count is a platform estimate — actual growth not reflected in chart
vs 142 newsletters in Health
145K places you in the top 10% of newsletters in this category.
Engagement Rate
0.12%
median: 0.00%
Posts per Week
13.9
median: 1.0
Publishing Consistency
97/100
median: 67/100
Subscribers
145K
median: 1K
Here's what we know about this newsletter's activity:
Publishing Pace
Daily
Very Consistent
Category Rank
#8 of 806
in Health
Engagement Trend
Building
too early to measure
Nedra Nuggets
151K subs
Samantha Bee
127K subs
Inside Medicine
87K subs
++1.9%/wk
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Publishing Frequency
Daily
Last published Jul 15, 2026
13.9 posts/week avg
Health Pricing
$6/mo median
Above average(+25%)
Monetization Readiness
Already monetizing
100% of similar-size Health newsletters also have paid tiers
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Start tracking — free145.0K subscribers and 0.12% engagement — past the threshold where Health newsletters typically attract sponsors.
Consistent Publisher
Publishing consistency (97/100) is well above the Health median (67/100).