Through 2001 the number of reported cases of drug-associated infection remained in single digits. In 2002 it hit double digits for the first time, with 19 reported cases. But in 2003 this number rose to 86, accounting for 10 % of all recorded cases, and since then the number has exploded.
2001 年前一直呈現個位數字的毒癮愛滋感染者通報數，到了 2002 年首度突破 2 位數，達到 19 人，2003 年又暴增為 86 人，佔所有通報個案的 10 %。