Florian Krammer ✓

@florian_krammer · New York, NY · joined 29 Feb 2016

Viruses, viruses, viruses and vaccines. V5=3xancestral+1x bivalent+1xXBB Professor at the Department of Microbiology Icahn School of Medicine at Mount Sinai

348 568Followers

1 067Following

20 748Posts total

2.1MViews on collected posts

Latest posts

Florian Krammer ✓@florian_krammer19 Sep

Exactly. 8.2K views · 35 likes · 2 reposts · 1 replies Open on X →

Florian Krammer ✓@florian_krammer19 Sep

interesting reversal happening where typos are now a sign of effort 98.1K views · 3.6K likes · 316 reposts · 89 replies Open on X →

Florian Krammer ✓@florian_krammer16 Sep

This week's episode of viroLOGICAL is about the 1918 Spanish influenza pandemic. Between 20 and 100 million people lost their lives in that pandemic. ➡️ Spotify: https://t.co/ijZFk6dhCN ➡️ Apple Podcasts: https://t.co/L2q2NtbKdr 6.7K views · 68 likes · 16 reposts · 3 replies Open on X →

Florian Krammer ✓@florian_krammer16 Sep

Diese Woche gehts bei viroLOGISCH um die Spanische Grippe von 1918 die etwa 20-100 Millionen Menschen das Leben gekostet hat. ➡️ Spotify: https://t.co/1x9ypm6z8X ➡️ Apple Podcasts: https://t.co/dCQcFeMS5K 8.1K views · 122 likes · 32 reposts · 0 replies Open on X →

Florian Krammer ✓@florian_krammer11 Sep

The whole AI development is one big Gain of Function experiment that nobody regulates. 39.4K views · 467 likes · 83 reposts · 19 replies Open on X →

Florian Krammer ✓@florian_krammer10 Sep

It would be really funny if AI tries to kill us and then it doesn't succeed because it was trained on too much misinformation. Fake news could save us 🤣 15.4K views · 568 likes · 57 reposts · 15 replies Open on X →

Florian Krammer ✓@florian_krammer19 Dec 2024

@florian_krammer Public health has been the cornerstone of our country...I am at a loss for where we are heading. As a school nurse, I am extremely worried. I have seen an uptick in religious exemptions masquerading as conscientious objection, which is not valid in NJ, my state. 237 views · 10 likes · 1 reposts · 1 replies Open on X →

Florian Krammer ✓@florian_krammer19 Dec 2024

@florian_krammer He doesn’t think babies should be protected from diphtheria, tetanus, pertussis and hib, to name a few? 101 views · 5 likes · 0 reposts · 0 replies Open on X →

Florian Krammer ✓@florian_krammer18 Dec 2024

@florian_krammer Bingo. Smallpox and TB-vaccination are not included with the US childhood vaccination schedule, and 1st dose of varicella vaccination is recommend as of age 12 to 15months. https://t.co/W42mYIKpLy https://t.co/WWXkgjGbi2

954 views · 10 likes · 0 reposts · 1 replies Open on X →

Florian Krammer ✓@florian_krammer18 Dec 2024

Just to be clear, babies are not vaccinated against TB or smallpox in the US. 79K views · 955 likes · 165 reposts · 56 replies Open on X →

Florian Krammer ✓@florian_krammer17 Dec 2024

After meeting with RFK Jr., Sen. Tommy Tuberville (R-AL) says babies get too many vaccines outside of TB, polio and smallpox and says "everybody in this group has lost somebody ... possibly from the [COVID] vaccine that were perfectly healthy." https://t.co/1wNTepBu3s

2:09

1.8M views · 1.1K likes · 230 reposts · 1.6K replies Open on X →

Against accounts of the same size

6 posts from the last 90 days, next to the 100K–1M follower range. shown far beyond its own audience, and the audience reacts.

Median views11 825this account5 983median for 100K–1M

Reach, %3.39%this account1.49%median for 100K–1M

Engagement, %1.68%this account0.93%median for 100K–1M

Metric	This account	Median for 100K–1M	Ratio
Median views per post	11 825	5 983	1.98×
Reach (views ÷ followers)	3.39%	1.49%	2.28×
Engagement rate	1.68%	0.93%	1.81×

Others in this range → Compare with another account → How these benchmarks are built →

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

1.8M17 Dec

79K18 Dec

954

10119 Dec

237

15.4K10 Sep

39.4K11 Sep

8.1K16 Sep

6.7K

98.1K19 Sep

8.2K

Last 11 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.19%17 Dec

1.50%18 Dec

1.15%

4.95%19 Dec

5.06%

4.19%10 Sep

1.46%11 Sep

1.89%16 Sep

1.30%

4.12%19 Sep

0.46%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 100K–1M accounts is 0.93%.

What the audience does

Likes65.4%6 943 in total

Reposts8.5%902 in total

Replies16.9%1 794 in total

Quotes5.1%545 in total

Bookmarks4.1%438 in total

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

Followers by day

19 Sep

Daily snapshots since 19 Sep 2026; the dashed line is the starting count.