3 doctors weighed in:

How common is hepatitis after a blood transfusion in the us now?

3 doctors weighed in
Dr. Joseph Woods
Pathology
1 doctor agrees

In brief: Less than before.

This is probably a lot less common than before due to vaccination for hepatitis b, and more diligent screening.
The transmission of hepatitis c via transfusion is currently at a rate of about 1 in 2 million units. Hepatitis b is probably less than that.

In brief: Less than before.

This is probably a lot less common than before due to vaccination for hepatitis b, and more diligent screening.
The transmission of hepatitis c via transfusion is currently at a rate of about 1 in 2 million units. Hepatitis b is probably less than that.
Dr. Joseph Woods
Dr. Joseph Woods
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2 comments
Dr. Juan Merayo-Rodriguez
Current Risk in US: Hepatitis B 1: 300,000 Hepatitis C 1:2 million HIV 1:2 million Bacterial contamination 1:12,000(platelet product) 1:500,000(Red Blood Cells) Severe reaction from mismatch blood 1:25,000 See more in this free resource; Red Blood Cell Transfusion: A Clinical Practice Guideline From the AABB. Annals of Internal Medicine. 2012 Mar;():E-429.
Dr. Joseph Woods
According to Pathology Outlines.com, due to serologic testing, risk of transfusion transmitted HBV is now 1:205,000 among repeat donors, and 1:144,000 among all donors in the US as of October 2011. So I see it is higher than Hepatitis C, but a lot less than earlier days.
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