Dr. Saskia Popescu

Dr. Saskia Popescu

@SaskiaPopescu

ID Epi -Biodefense- Infection Prevention | Senior Fellow @CSRisks | Asst Prof @UMmedschool | Adjunct @ScharSchool | Affiliate @georgetown_ghss | @JHSPH_CHS ELBI

Phoenix & DC https://www.medschool.umaryland.edu/profiles/popescu-saskia/ Joined 2009-03-23 Date of Analysis: Dec 16, 2025

67,933

Followers

1,301

Following

23,804

Tweets

292.9

Avg Engagement

1,955

Listed

No

Verified

Account Overview

What This Report Covers

This comprehensive analysis examines @SaskiaPopescu's Twitter/X presence across multiple dimensions. We analyze tweet content, engagement patterns, audience demographics, posting habits, and network connections to provide actionable insights about this account's social media strategy and influence.

Account Classification

  • Account Size: Mid-Tier (10K+)
  • Account Age:2009-03-23
  • Verification:No
  • Location:Phoenix & DC

Data Summary

  • Tweets Analyzed:3,245
  • Avg Likes per Tweet:24.5
  • Avg Retweets per Tweet:268.3
  • Followers Analyzed:10,000

Engagement Analysis

Based on 3,245 tweets

Her tweets typically receive a high number of likes and retweets, indicating strong public interest in her health-related content. The engagement reflects the relevance and urgency of her messages.

24.5

Avg Likes/Tweet

268.3

Avg Retweets/Tweet

79,650

Total Likes

870,776

Total Retweets

Engagement Quality Analysis

Median-based metrics that resist fake virality and outliers.

1

Median Likes

5

Median Retweets

44

75th Percentile

49,159

Top Tweet

4.31

Engagement per 1K Followers

Normalized influence metric

Viral Spikes

Engagement Pattern

Few posts get most engagement

Posting Behavior

Content style and format preferences

Curator

Amplifies others content frequently

19.4%

Original

28.1%

Replies

43.1%

Retweets

9.4%

Quotes

0.0%

Threads

0.6%

With Media

71.1%

With Links

12.1%

With #Tags

71.4%

With @Mentions

10.2%

With Emojis

180

Avg Length

Audience Reaction Profile

Conversational

Engages heavily in discussions

1.45

Reply/Original Ratio

0.22

Quote/RT Ratio

Posting Rhythm

Somewhat Bursty

Occasional posting spikes

75.8%

Weekday Posts

24.2%

Weekend Posts

Top Hashtags

#covid19 (62) #ebola (27) #monkeypox (22) #1972bwc (21) #marburg (20) #flu (17) #covid (14) #wha76 (12) #longcovid (11) #bwcrevcon (11)

Most Mentioned

@who (121) @angie_rasmussen (120) @helenbranswell (105) @mcbazacophd (65) @reluctantlyjoe (65) @mvankerkhove (64) @csrisks (56) @gregkoblentz (55) @gidmk (53) @kindrachukjason (52)

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Content Strategy Analysis

Based on 3,245 tweets

Content Type Distribution

Content Breakdown

Original Tweets 630 (19%)
Replies 911 (28%)
Retweets 1,399 (43%)
Quote Tweets 305 (9%)

What This Reveals About Their Strategy

This account prioritizes community engagement over content broadcasting. With replies making up the majority of their activity, they invest significant time in conversations, building relationships with followers and participating in discussions. This approach typically leads to higher loyalty and more authentic connections.

The 1,399 retweets (43% of activity) show they also amplify content from others, which helps build relationships with other accounts and provides value to followers by surfacing relevant content.

Posting Patterns & Optimal Timing

Based on 3,245 tweets

Engagement by Hour (UTC)

Posting Frequency Over Time

Timing Insights

Understanding when an account posts and when their audience is most responsive provides valuable competitive intelligence. The charts above show when this account's content receives the most engagement, which often correlates with when their specific audience is most active on the platform.

Peak posting times vary significantly based on an account's audience demographics, timezone distribution, and content type. Accounts with global audiences often see engagement spread across multiple time windows, while those with regional focus may have more concentrated peaks.

Audience Demographics

Based on 10,000 followers

Her audience includes healthcare professionals, public health enthusiasts, and individuals interested in epidemiology and infectious diseases. She also reaches a broader audience concerned about health trends and safety.

Average

Audience Quality

26.1%

Suspicion Index

25.1%

Low-Quality %

104

Median Reach

Audience Quality Signals

Lower percentages indicate healthier, more authentic followers.

33.7%

Empty Bio

23.9%

<10 Tweets

29.3%

Mass Following (>2K)

0.0%

New (<90 days)

45.6%

Low Ratio (<0.1)

0.0%

New (<180 days)

82.7%

No URL

16.5%

<3 Tweets

Free Mode Analysis: These quality metrics use heuristic signals (empty bios, low tweets, suspicious ratios). For ML-powered bot detection with 95%+ accuracy, use our dedicated tool.

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Follower Reach & Influence

This account's followers have their own audiences, creating potential for secondary amplification.

32,116,262

Total Potential Reach

104

Median Follower Reach

467

75th Percentile Reach

14.3%

>1K followers

2.2%

>10K followers

0.5%

>50K followers

0.2%

>100K followers

Creator vs Consumer Split

Classification based on tweet activity: Creators (>100 tweets), Consumers (10-100 tweets), Dormant (<10 tweets).

59.3%

Creators

5,934 accounts

16.8%

Consumers

1,675 accounts

23.9%

Dormant

2,391 accounts

134

Verified Followers

1.34% of total

12.3%

Professional Bios

founder, dev, analyst, etc.

0.12

Median Follow Ratio

follower/following

Follower Influence Distribution

How many followers do their followers have?

Follower Account Age

How long have followers been on Twitter?

Geographic Distribution

Top locations where followers are based (from those who share location data):

United States (104) Washington, DC (78) Los Angeles, CA (75) California, USA (54) USA (51) Seattle, WA (46) Chicago, IL (42) New York, NY (39) Canada (38) San Francisco, CA (37)

134

Verified Followers

1.34% of total

1,119

Protected Accounts

11.19% of total

6 years

Avg Account Age

of their followers

Notable Followers (By Influence)

Top accounts following this user, sorted by their follower count:

Username Followers Profession Interests
@JohnCena 14,094,228 Wrestler Wrestling, Motivation, Self-promotion
@drsanjaygupta 2,449,000 Neurosurgeon Neurosurgery, Medical, Correspondent
@iownjd 764,749 Lawyer learn, inspire, engage
@OccupyDemocrats 563,378 Political Activist Progressive, Grassroots, Politics
@DennisKoutoudis 532,051 - -
@MarioNawfal 486,421 - -
@Uldouz 458,123 Influencer Women's rights, Charity, Social media
@StephenCaggiano 342,201 Content Creator Content creation, Access, Resource for creators
@PeterHotez 334,751 Vaccine Scientist Vaccine, Antiscience, Pediatrics
@davenewworld_2 289,295 Reporter Racism, Reporting, Media

Top Keywords in Follower Bios

health (433) love (323) sheher (259) science (228) life (228) views (193) mom (186) public (179) opinions (166) lover (166)

Top Hashtags in Follower Bios

#blm (43) #longcovid (30) #resist (27) #blacklivesmatter (26) #covidisairborne (22) #covidisnotover (19) #voteblue (16) #maskup (12) #publichealth (12) #standwithukraine (11)

6,628

Followers With Bio

3,372

Followers Without Bio

66.28%

% With Bio

33.72%

% Without Bio

Why Audience Demographics Matter

Understanding who follows an account reveals the type of influence they hold. Accounts followed primarily by users with few followers indicate broad, mainstream appeal. Those with many high-follower followers have greater potential for content amplification through secondary sharing.

Account age distribution also tells a story: a follower base with many new accounts might indicate recent viral growth, while established followers suggest long-term, stable influence. Geographic data helps understand the cultural context and timezone spread of the audience.

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Viral Tweets

Top 5 by likes+RTs from 3,245 analyzed

209,178

Combined Engagement

0

Total Likes

209,178

Total Retweets

41,836

Avg per Tweet

Key Metrics for Viral Tweets

0%

With Media

0%

With Hashtags

100%

With @Mentions

0%

With Links

Topical Analysis:

Public Health Infectious Diseases Epidemiology Biodefense Healthcare Systems Preventive Measures
Dr. Saskia Popescu
@SaskiaPopescu

RT @LeslieStreeter: Black Americans paid taxes during segregation for pools they weren't allowed to swim in, fountains they couldn't drink from and buses they had to ride in the back of. So...miss me with this "Why am I paying for school I didn't go to?" At least this is about up

2022-08-28
Retweets: 49,159 Likes: 0 Engagement: 49,159
Dr. Saskia Popescu
@SaskiaPopescu

RT @tlecaque: Mermaids can be Black. Hobbits can be Black. Elves can be Black. Dwarves can be Black. Jedi can be Black. None of these things are real, so, any of them can be Black, and you can stop being racist.

2022-09-13
Retweets: 45,386 Likes: 0 Engagement: 45,386
Dr. Saskia Popescu
@SaskiaPopescu

RT @ZackBornstein: I don’t understand how COVID is spiking again after we’ve tried everything from pretending it’s over to pretending it never happened

2022-12-07
Retweets: 40,920 Likes: 0 Engagement: 40,920
Dr. Saskia Popescu
@SaskiaPopescu

RT @LisaBloom: Hey Twitter employees getting laid off tomorrow! IMPORTANT INFO from a CA employment attorney (me): CA's "WARN" law requires Twitter to give you 60 days notice of a massive layoff. A layoff of 50+ employees within a 30 day period qualifies. I know you didn't g

2022-11-04
Retweets: 38,903 Likes: 0 Engagement: 38,903
Dr. Saskia Popescu
@SaskiaPopescu

RT @oneunderscore__: Journalists who cover Elon Musk have been suspended on Twitter tonight: @Donie O'Sullivan from CNN, Aaron Rupar and the Washington Post's @drewharwell. Rupar tells me he has "no idea" why it happened.

2022-12-16
Retweets: 34,810 Likes: 0 Engagement: 34,810

Key Insights & Takeaways

Her tweets often emphasize the importance of masking and preventive measures, especially during outbreaks. She highlights the impact of rising cases on healthcare systems, such as overwhelmed pediatric hospitals. She addresses public skepticism about the severity of diseases like COVID-19 and RSV, using data to support her points.

Strengths

  • + Strong engagement rates above platform average
  • + Established follower base of 67,933
  • + High community engagement through conversations
  • + Active presence with consistent posting

Opportunities

  • ~ Optimize posting times for peak engagement windows
  • ~ Analyze top-performing content for replicable patterns
  • ~ Leverage geographic concentration for targeted content
  • ~ Explore collaboration potential with followed accounts

Summary

This analysis of @SaskiaPopescu reveals an well-established Twitter presence with 67,933 followers. The account demonstrates a conversation-first approach, averaging 292.9 engagements per tweet. Key strengths include consistent posting and an engaged audience, with opportunities to further optimize timing and content strategy based on the patterns identified in this report.

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About This Analysis: This analysis is based on a snapshot of followers, following, and recent tweets. It evaluates structure, quality, and behavior, not historical growth. Metrics like growth rate, momentum, churn, or spike analysis require time-series data which is not available from a single snapshot.

Data collected and analyzed by twtData | Analysis date: Dec 16, 2025