How can $AIDS$ be prevented?

(N/A) $AIDS$ can be prevented by the following measures:
$1$. Using barriers (condoms) during sexual acts with suspected partners.
$2$. Restricting sexual activity to one faithful partner.
$3$. Providing education and awareness about $AIDS$ to the public.
$4$. Ensuring blood in blood banks is screened and safe from $HIV$.
$5$. Ensuring the use of only disposable needles and syringes in all hospitals and clinics.
$6$. Promoting the free distribution of condoms.
$7$. Controlling drug abuse,especially the use of intravenous drugs.
$8$. Advocating for safe sex practices and promoting regular $HIV$ check-ups for susceptible populations.