Chronic carriers with persistent gallbladder or urinary tract infections are the main
source of most ____________________________ infections.
If untreated, typhoid fever can be divided into three stages: ________________,
__________________ and the _______________________.
There are complications from typhoid fever in approximately ____ percent of the
untreated cases and these account for 75 percent of the deaths from typhoid
What type of individuals should be immunized for typhoid? _________________
If the infection causing typhoid is resistant to ampicillin and chloramphenicol,
__________________________ mixtures may be effective.
Ticks are divided into two groups: __________ ticks and ___________ticks.
If the individual is bitten by a tick, he is subject to an __________________ virus,
_____________________ virus, _______________________________ virus, or
_________________________ virus which the tick can transmit through the bite.
In the case of children, serious complications from the Colorado tick fever virus is
a form of ____________________, and _________ ____________ may occur.