However, health officials fear that if the virus is not eliminated it may swap genes with a human influenza virus, causing a new virus that could cause a worldwide epidemic.
Courtly entertainments also demonstrate the complex relationship between entertainer and spectator: individuals may be either an entertainer or part of the audience, or they may swap roles even during the course of one entertainment.
Reports that the US government may swap its support for ailing banks for share stakes as its bailout funds dwindle added to the downward impetus.
CarsDirect will share its specific data with dealers who advertise on the site so they may swap inventory and realize better advertising results.
Estimates place it higher than Screen Gems' heist thriller Takers, which debuted on $21m, although the two are so close they may swap positions when the studios confirm final results on Monday.
The experimental data indicated that the grooves perpendicular or parallel to the sliding direction have a strong impact on the friction performance of sliding surfaces, and the merits of perpendicular or parallel orientation may swap under different contact conditions.
"One metric could be to say, 'One vehicle may swap one time, period.'".
The player may swap to and issue commands to any of the three characters in the battle party at will; however, guest characters are controlled by the game's artificial intelligence.
The player, playing as either Marcus or Dominic in the campaign mode, or as any of the human or Locust characters in multiplayer mode, can only carry a pistol, one type of grenade, and two other weapons at any time, though they may swap these for weapons found in strategic locations or left by downed foes or fallen allies.
An important advance over earlier work is that dog owners may "swap" microbes with their pets, again most clearly shown for skin microbiota.
