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Cells are collected without consent
Doctor Howard May collected two samples of cervical cells, one healthy and one cancerous, without her knowledge -
HeLa Cells become first shipped via postal mail
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Scientists use cells to develop polio vaccine
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HeLa cells become the first ever cloned
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Chester Southern's experiments
Chester Southern uses the cells to see if injecting them into a healthy patient would cause cancer -
HeLa cells are fused with mouse cells to create first animal-human hybrid cells
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Supreme Court of CA rules against John Moore
This ruling stated that once a person's tissues are removed from their body, with or without consent, those tissues no longer belong to that person -
RAND report estimate released
This report showed that at least 307 million tissue samples are active in the US, taken from at least 178 million people, mostly without consent