EnglishSteve Kirsch is on Twitter (X) as @stkirsch, with 633,187 followers and 34,773 posts. A typical post draws 261 interactions, an engagement rate of 0.041% per follower. It has been on X since May 2009, an account age of 17 years.
Engagement
A typical post picks up 261 interactions against 633K followers, an engagement rate of 0.041%. Measured over 27 original posts, its engagement rate beats 56% of 20,444 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 18K times each, and 1.45% of those impressions turn into an interaction. That is about 2.85% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 27 original posts from a 30-day window, last computed on October 6, 2026. Recurring tags: #antivaxxers, #covidvaccine.
Full engagement reportFollower growth
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Bio
Investigative journalist. Authored over 1,800 articles on vaccine safety on my Substack. Former high tech serial entrepreneur. Founder, VSRF.
Notable followers
The biggest accounts in our directory following @stkirsch.
Steve Kirsch on Twitter (X) - frequently asked questions
- What is the Twitter handle for Steve Kirsch?
- Steve Kirsch posts on Twitter (X) as @stkirsch. The profile is at x.com/stkirsch, and the View on X button at the top of this page opens it.
- How many followers does Steve Kirsch have on Twitter?
- Steve Kirsch (@stkirsch) has 633,187 followers on Twitter (X). The count is refreshed continuously from public data.
- When did Steve Kirsch join Twitter?
- Steve Kirsch joined Twitter (X) in May 2009. The @stkirsch account is 17 years old. Searches for Steve Kirsch age often mean a personal age, which we do not publish. The figure here is the account age only.