China Now Set To Make Copies Of AIDS Drugs
China takes significant steps to face up to its growing HIV-AIDS epidemic, raising its estimate of number infected to one million and saying it will manufacture a full complement of AIDS drugs if Western patent holders do not lower prices within next few months; it is striking reversal by Chinese health officials, who previously insisted that as new member of World Trade Organization, China had to be especially vigilant about respecting patents and would not permit use of generic AIDS drugs (M)