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Portuguese and Spanish, although closely related Romance languages, differ in many aspects of their phonology, grammar, and lexicon.Both belong to a subset of the Romance languages known as West Iberian Romance, which also includes several other languages or dialects with fewer speakers, all of which are mutually intelligible to some degree.
The human immunodeficiency virus (HIV) [8] [9] [10] is a retrovirus [11] that attacks the immune system.It is a preventable disease. [5] It can be managed with treatment and become a manageable chronic health condition. [5]