Fiser (1991), Hulton (1994), Herrod (1983), and Saxena (1992) also showed that during the phase of illness, there was a decrease in TCD4 + lymphocyte count.
Fiser (1991), Hulton (1994), Herrod (1983), Saxena (1992) cho thấy trong giai đoạn toàn phát của HCTHTP có giảm số lượng lympho TCD 4 +.