21.   Better sanitation blockades the worst strains of cholera, which ride the water supply to find new human hosts.

22.   Critics had said her style was wooden, and viewers had contacted the show to say they were unhappy with the new host.

23.   Ildstad said her work in lab animals suggests that the transplanted marrow will permanently take up residence in its new host and go on producing blood cells indefinitely.

24.   In the fall, a show with a pair of new hosts and yet-to-be-decided name will move into the slot.

25.   In order to avoid misunderstandings due to differences in culture and traditions, Kamolpob said successful candidates should learn as much as they can about their new host country.

26.   New host David Letterman proved to be only occasionally successful with the Academy audience.

27.   Sometimes ethnic hatreds crossed borders, Amnesty said, and refugees fleeing violence in one country found worse conditions in their new host.

28.   The largest American online service crashed while new host software essential to operating the system was being installed Wednesday morning.

29.   To add spice and to liven up the atmosphere, a new host has been invited to join the show - Theresa Lee.

30.   While transplanted organs from those pigs were able to survive for a couple of days in their new host, the body eventually rejected the parts.