Never eat a bat. What could happen is that 45 million years later, your species could still be paying for it by dying of a complicated blood cancer.

Leukaemia began in ancient bent-winged bats up to 45 million years ago, a study has found.
A blood cancer-causing virus has been found in ancient DNA traces in a breakthrough that could lead to new treatments.
The discovery provides a “missing link” in the fossil record of retroviruses – a family of viruses that date back almost half a billion years. Known as a “deltaretrovirus”, human T-lymphotropic virus 1 (HTLV-1) infects 15 to 20 million people worldwide and can cause leukaemia. It has long been believed “deltaretroviruses” have infected humans since prehistoric times. But because these viruses had no “fossil record”, their deeper origins have until now remained a mystery.
Dr Robert Gifford, of Glasgow University’s centre for virus research, said: 
“The discovery of this viral sequence fills the last major gap in the fossil record of retroviruses.
“It provides a means of calibrating the timeline of interaction between deltaretroviruses and their hosts.”
The study published in Proceedings of the National Academy of Sciences offers conclusive evidence these viruses are between 20 and 45 million years old. …
Leukaemia is a cancer of the white blood cells and bone marrow. Because white blood cells are found in the lymph nodes and the spleen, leukaemia can affect them, as well as other organs in the body. …
Read more telegraph

Ancient DNA traces from the family of viruses that cause a rare type of leukaemia have been found in the genomes of bats, filling the “last major gap” in retrovirus fossil record.

Via physOrg

Just don’t ever eat a bat. Tell your friends too, even the ones you wouldn’t think would never eat a bat, just in case. The curse is long.

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