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Blood Bank Guy (D. Joe Chaffin MD)Blood Bank Guy (D. Joe Chaffin MD)

Blood Bank Guy (D. Joe Chaffin MD)

Unknown@bloodbankguy  •  Joined November 20, 2010

Live
Sub 33.4K  |  View 2.21M  |  Video 120
#860,085
#1,394,717

At a glance

Subscribers

Last 28 days

33.4K

+200 (+0.6%)

Views

Last 28 days

2.21M

+13.1K (+0.6%)

Videos

Last 28 days

120

— No change

Charts

Subscribers, views & videos over time

Tap on chart to see values
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Subscribers gained (weekly) · 6 mo

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Views gained (weekly) · 6 mo

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Subs milestone changes (up to 30)

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Views milestone changes (up to 30)

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Engagement

Avg. views per video

18.4K

Total views ÷ total videos

Views per subscriber

66×

Total views ÷ subscribers

Subs per video

279

Subscribers ÷ total videos

Revenue estimate

Details →

Total (all-time): $1.55K – $4.42K

Daily avg.: $0 – $1

Weekly avg.: $2 – $7

Last 28 days: $9 – $26

Based on estimated $0.7–$2 CPM.

Analytics tables

Analytics Table:Blood Bank Guy (D. Joe Chaffin MD)

Date
subscribers
views
videos
Jul 28, 2026
Jul 28
Tue
33.4K
--
2.21M
+2.57K
120
--
Jul 20, 2026
Jul 20
Mon
33.4K
+100
2.21M
+3.33K
120
--
Jul 13, 2026
Jul 13
Mon
33.3K
--
2.20M
+3.42K
120
--
Jul 6, 2026
Jul 6
Mon
33.3K
+100
2.20M
+3.20K
120
--
Jun 29, 2026
Jun 29
Mon
33.2K
--
2.20M
+3.13K
120
--
Jun 22, 2026
Jun 22
Mon
33.2K
+100
2.19M
+3.30K
120
--
Jun 15, 2026
Jun 15
Mon
33.1K
+100
2.19M
+3.36K
120
--
Jun 14, 2026
Jun 14
Sun
33.0K
--
2.19M
+3.23K
120
--
Jun 1, 2026
Jun 1
Mon
33.0K
--
2.18M
+3.97K
120
--
May 25, 2026
May 25
Mon
33.0K
--
2.18M
--
120
--

Subscribers gained (weekly)

WeekSubscribers gainedChange vs prev
Feb 2, 2026
0
--
Feb 9, 2026
100
+100
Feb 16, 2026
100
--
Feb 23, 2026
100
--
Mar 2, 2026
0
-100
Mar 9, 2026
100
+100
Mar 17, 2026
0
-100
Mar 23, 2026
100
+100
Mar 30, 2026
0
-100
Apr 6, 2026
100
+100
Apr 13, 2026
100
--
Apr 20, 2026
0
-100
Apr 27, 2026
0
--
May 4, 2026
100
+100
May 11, 2026
100
--
May 18, 2026
0
-100

Views gained (weekly)

WeekViews gainedChange vs prev
Jan 31, 2026
387
--
Feb 2, 2026
4.35K
+3.97K
Feb 9, 2026
4.45K
+93
Feb 16, 2026
4.92K
+473
Feb 23, 2026
4.50K
-420
Mar 2, 2026
5.16K
+660
Mar 9, 2026
4.50K
-655
Mar 17, 2026
3.71K
-795
Mar 23, 2026
3.62K
-88
Mar 30, 2026
4.24K
+614
Apr 6, 2026
4.19K
-47
Apr 13, 2026
4.15K
-43
Apr 20, 2026
4.16K
+12
Apr 27, 2026
3.64K
-520
May 4, 2026
3.73K
+97
May 11, 2026
3.68K
-51

About

Hi, I'm Joe Chaffin. I teach the essentials of Transfusion Medicine to learners everywhere, and I’m so happy you are here! Thousands of learners have watched the videos on this channel, and I hope you lear from them, too. See www.bbguy.org for more information.

Handle
@bloodbankguy
Joined
November 20, 2010

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