Health Ministry Takes Action: Investigating the Strange Disease Outbreak In a concerning turn of events, over 200 people in the Egyptian village of Al-aleikat, located in the Qena governorate, have been infected with a mysterious disease, causing alarm among the residents.
Not sure in what quantities but a few rare earths do appear in bauxite deposits.
Looking at a table of Goldshmidt classifications, chromium and vanadium should too. None of those are usually called heavy metals, though.