KizzyPhD

@KizzyPhD · Boston, MA · joined 10 Jan 2020

Virologist. Vaccinologist. Science Communicator. — My tweets are my own. My science is the world’s. — @KizzyPhD_Lab @HarvardChanSPH @HHMINEWS @hwaspeakers

127 621Followers

738Following

10 669Posts total

132.4KViews on collected posts

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KizzyPhD@KizzyPhD3 Mar

It’s an honor to be a 2026 TED Fellow, alongside these brilliant innovators. See ya in Vancouver next month… I have something pretty cool in store 😎 5.3K views · 34 likes · 5 reposts · 9 replies Open on X →

KizzyPhD@KizzyPhD3 Mar

Great systems begin with great ideas. Meet the 2026 #TEDFellows — 10 innovators redesigning health, democracy, justice, art and technology from the inside out. Learn more about this year's remarkable new cohort: https://t.co/8uy0FHm9yw @kizzyphd, @tran_scends @carissaveliz, htt

41.8K views · 25 likes · 5 reposts · 0 replies Open on X →

KizzyPhD@KizzyPhD1 Jan

Reposting this just to say: the CDC recommends a second 2025-2026 COVID booster for elderly and/or immunocompromised people… optimally 6 months after your last booster, but as early as 3 months. Keep your beloved older grandmas protected by reminding them! 7.2K views · 48 likes · 10 reposts · 6 replies Open on X →

KizzyPhD@KizzyPhD20 May 2025

Why can’t we reply to grant summary statements? I have some things to say. 😠 5.2K views · 32 likes · 0 reposts · 1 replies Open on X →

KizzyPhD@KizzyPhD3 May 2025

Boston Bike Rides >>>>>> The Spring/Summer here, albeit short, is amazing. 4K views · 7 likes · 0 reposts · 1 replies Open on X →

KizzyPhD@KizzyPhD11 Sep 2024

Me. On Instagram reels informing the public of complex vaccine data. 👌🏿 33.2K views · 110 likes · 11 reposts · 6 replies Open on X →

KizzyPhD@KizzyPhD10 Sep 2024

Most important thing I’ve learned as an executive is brevity. Brevity. Brevity. Brevity. Some of the smartest people can really distill thoughts in a clear and concise manner. 35.8K views · 39 likes · 9 reposts · 1 replies Open on X →

KizzyPhD@KizzyPhD29 Jan 2021

I wanna post the video of my grandma getting her COVID-19 vaccine, but she's wearing a @DukeU sweater, and ... ... TARRRRRRRRRRR So this tweet serves to say: get your grandmas vaccinated, and also, if you pray, send one up to my grandma who is a delusional Duke fan. 0 views · 1.5K likes · 83 reposts · 52 replies Open on X →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

35.8K10 Sep

33.2K11 Sep

4K3 May

5.2K20 May

7.2K1 Jan

41.8K3 Mar

5.3K

Last 7 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.15%10 Sep

0.38%11 Sep

0.20%3 May

0.64%20 May

0.91%1 Jan

0.08%3 Mar

0.91%

Reactions — likes, reposts, replies and quotes — divided by views.

What the audience does

Likes76.4%295 in total

Reposts10.4%40 in total

Replies6.2%24 in total

Quotes1.8%7 in total

Bookmarks5.2%20 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

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Growth & engagement

Views per post

Engagement rate per post

What the audience does

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