And, AIDS/HIV federal spending dwarfs both, combined. For 2016 $7.7B discretionary and $19.7B mandatory (entitlements),for a total of $26.45B.
It's political, not medical, nor rational.
https://www.aids.gov/federal-resources/funding-opportunities/how-were-spending/
Maybe, maybe not. When was the last time you heard of somebody spreading cancer because they didnt tell their partner they were cancer positive?