The rate of positive coronavirus tests is ticking up in New York, especially in neighbourhoods with large Orthodox Jewish populations, the state's governor Andrew Cuomo said Monday.
Of the 52,936 tests reported Sunday, 834 were positive, or 1.5 per cent of the total, tweeted Cuomo.
The positive rate had previously been at one per cent for several days.
New York became the global epicentre of the pandemic in spring, recording 23,800 cases in March alone, but in recent weeks officials have touted the lowest test positivity rate and infection rate among major US cities.
While a 1.5 positive rate is still relatively low, it conceals hot spots deemed "worrying" by health authorities, particularly parts of Brooklyn that have large populations of Orthodox Jews.
In some of these neighbourhoods, the infection rate has risen to five or six per cent, and has been linked to the Jewish holiday of Yom Kippur that ends Monday, according to health officials.
Cuomo also cited Rockland County and Orange County, suburbs with large Orthodox Jewish populations, as areas where the positive rate is increasing.
The rise is particularly concerning as public schools in the US financial capital prepare to re-open classrooms for part-time learning in-person, a move the city has already postponed twice.
"This may be the most precarious position with Covid-19 we have experienced in months," New York health commissioner Dave Chokshi told reporters Friday.
Authorities have warned that they will inspect non-public schools -- including Jewish religious schools -- in the coming days, and sanction establishments where social distancing and mask rules aren't being implemented.
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