Both these diseases water borne and cause blur vision in the eyes,
Nagana (livestock disease) 70 230 5620 7000 (sq 3250 4750 9509 1751-1 5270) Hz
also known as Animal Trypanosomiasis. This disease can cause neurological disorder involving the fingers (typing, piano playing, guitar playing). If you got bad with fingering, listen to this set of frequencies.
And,
Aggregatibacter actinomycetemcomitans sq 358 Hz
that causes gum disease. Combined,
Aggregatibacter actinomycetemcomitans And Nagana
For completeness sake,
Trypanosomiasis, South American 220 2920 (sq 4000 2227 4775 5270 6670 7210 9889) Hz
Bottom up, rice wine!