Published in TB and Outbreaks Week, December 3rd, 2002
The vaccine is made of a live virus called vaccinia that can cause its own infections until the injection site scabs over, so researchers plan to keep inoculated children out of day care or school for a month. But still there is a chance that youngsters could tear off their bandages and put relatives, playmates or others at risk.
There also is the question of whether it is ethical to test in healthy...
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