RedHalo Blog

Notes on running India's blood network.

Plain-language writing on blood bank operations, traceability and compliance — what goes wrong between the donor's arm and the patient's bed, and what fixes it. Every figure is cited to its source.

One DIN, eight stages: vein-to-vein traceability, explained

What it really means to trace a unit of blood from the donor's arm to the patient's bed, why paper registers break the chain, and six questions to test your own system.

· 5 min read

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Why India discards blood it worked hard to collect

Collection hit a record in 2025, and discards more than doubled in two years. Expiry was the biggest reason. Here is why that happens, and what a blood bank can change.

· 5 min read

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