The authorities said nearly 1,500 illnesses since May might be tied to tainted eggs, making this the largest outbreak associated with this type of bacteria, Salmonella enteritidis, since the federal government began closely tracking foodborne disease in 1973.
Assorted protest causes, vowing to rally by the tens of thousands, also began arriving, closely tracked by the mayor's police aides.
In particular, Internet executives and analysts are closely tracking the rise of a type of e-mail fraud that began in earnest in 2003 but has reached huge proportions this year, and that constitutes a form of identity theft.
Fans of the Phillies are closely tracking Biddle's progress.
Government officials and analysts said regulators were closely tracking a number of possible problems.
With American satellites closely tracking North Korean shipping, three major drug arrests have taken place this spring.
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But the group had not necessarily been closely tracking the issue.
More consequentially, it has begun closely monitoring Internet cafes.
The Democratic strategy is being amplified by President Obama, whose travel schedule over the next three weeks closely tracks the dates when early voting begins.
The House bill closely tracks his.
