At least five people have been diagnosed with Legionnaires’ disease in Central Harlem, the NYC Department of Health said Friday, as it announced a cluster investigation was now underway. Health ...

A growing Legionnaires' disease cluster in New York City has left three people dead and more than 60 others sick as of Aug. 5.

In adaptive cluster sampling designs, an initial probability sample is selected and, whenever the observed value of the variable of interest satisfies a given condition, units in the neighborhood of ...

Hence, the estimators are similar to those developed for poststratification sampling designs. We also incorporate adaptive cluster sampling into the sampling design to allow for the case where the ...