To date, four types of HTLVs (human T-lymphotropic virus 1 [HTLV-I], human T-lymphotropic virus 2 [HTLV-II], HTLV-III, and HTLV-IV) and four types of STLVs (STLV-I, STLV-II, STLV-III, and STLV-V) have been identified. HTLV types HTLV-1 and HTLV-2 viruses are the first retroviruses which were discovered. Both belong to the oncovirus subfamily of retroviruses and can transform human lymphocytes so that they are self-sustaining in vitro.
The goal keeper must wear a jersey distinguishable from his team and the opposing team. This is almost always interpreted to mean he must wear a different color.he goal keeper must wear a jersey distinguishable from his team and the opposing team. This is almost always interpreted to mean he must wear a different color.
The goalkeeper is the only player who may use his or her hands to play the ball (although only within the penalty area). According to Rule 6.1 the goalkeeper is required to wear a jersey with a different color from either team's jersey color to avoid confusion for the referee.e also takes puckouts after a score or wide ball. A goal occurs when the ball passes through the goal; the attacking team is awarded 3 points. The goalkeeper has no special rules pertaining to him, although he still wears a different color jersey. Most goalkeepers use a special hurley with a wider bas (flat face).