In this task, you are given one English sentence. The major part of the sentences talk about health-related topics, but some of the them describe an organization and its activities. Your job is to translate the given sentences into Swedish.

AIDS is defined by the presence of one or more “opportunistic” illnesses (other illnesses due to decreased immunity).
Aids definieras av närvaron av en eller flera "opportunistiska" sjukdomar (andra sjukdomar som beror på det försämrade immunförsvaret).