Maybe I read the article too fast, but a “patient zero, is never given.
Measles, huh? Brought in by....what sort of immigrant? Are the legal ones still tested for disease?
October 26
The unidentified person developed symptoms after international travel to Israel and was in Ocean County between Oct. 13 and Oct. 21, the department said in a statement.
http://nj1015.com/those-86-locals-exposed-to-measles-thats-not-the-whole-story/
Might explain a bit more, but not much.
Speaking of patients zero, check out the bit on outbreaks, the info on previous years....
https://www.cdc.gov/measles/cases-outbreaks.html