The noun surveillancerefers to the careful watching of someone or something, especially by an organisation such as the police, the army or a public health agency.
The
number of patients suspected to have bird flu has reached 113 across
the country and all are being kept under strict surveillance, the
Public Health Ministry said.
Corrections
Department chief Natthee Chitsawang ordered strict surveillance on all
their visitors to guarantee safety for the three election
commissioners.
The
man had been under surveillance
for several days leading up to his arrest.
Malfunctioning
surveillance
cameras have been blamed for the authorities' failure to identify most
of those behind the series of coordinated bomb attacks in the deep
South last week.
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