Azevedo-Pereira, JMSantos-Costa, QTaveira, NVerissimo, FMoniz-Pereira, J2015-12-302015-12-302003VIRUS RESEARCH. - Vol. 97, n. 2 (NOV 2003), p. 159-1630168-1702http://hdl.handle.net/10451/21612Human immunodeficiency virus type 1 (HIV-1) and type 2 (HIV-2) differ in their pathogenic mechanisms as evidenced by lower rate of disease progression. lower transmission rates and lower viral load in peripheral blood for HIV-2. One of the many factors thapplication/pdfengVirologyjournal articlehttp://dx.doi.org/10.1016/j.virusres.2003.08.008