What DID the Romans ever do for us? They gave us AIDS

From The Daily Mail:

What, as the old Monty Python question goes, have the Romans ever done for us?

Well, apart from the usual answers of roads, sanitation and a fondness for wine, it appears they have also made us more vulnerable to HIV.

According to genetic research published on Wednesday, when Julius Caesar made his first exploratory visit to our shores in 55BC he triggered a chain of events which may have lowered our resistance to the virus which leads to Aids.

The theory is that as the Roman Empire spread so did an unknown illness that killed those carrying a gene that would one day give their descendants resistance to the virus.

As a result, today's inhabitants of nations once conquered by the Romans tend to lack the gene and so are more susceptible to HIV.

For instance, only 4 per cent of Greeks carry the gene, compared with more than 15 per cent of people in parts of northern Europe untouched by the Romans.

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