Coronavirus cases were rising in 30 of the 50 US states on Monday, the first time that many states have trended upwards since 2 August, according to a Reuters analysis of data for the past two weeks.
The number of new cases has risen for two weeks in a row in 27 out of 50 states, with North Carolina and New Mexico both reporting increases above 50% last week, according to Reuters.
Cases in New York state have risen 4.4% so far in September, one of the smallest increases in the country.
Cuomo urged New Yorkers to remain vigilant in mask-wearing and warned of consequences if they do not comply.
“It’s not time to get tired because the virus isn’t tired,” he said.
The midwest has emerged as the country’s new hotspot, with hospitalisations surging in some states.
Wisconsin set records for new cases twice last week and is now reporting more new infections each day than Florida. South Dakota, Utah and Wyoming have all set records for new daily cases three times this month.
The positive rate has risen to 26% in South Dakota, up from 17% last week, according to an analysis using data from the Covid Tracking Project, a volunteer-run effort to track the outbreak.
On Monday, according to the analysis, the rate in Wisconsin was 19%; it was 16% in both Iowa and Missouri; 15% in Kansas; and 14% in Nebraska.
The US is reporting 45,000 new infections on average each day, compared with 40,000 a week ago and 35,000 two weeks ago.
Deaths have generally been trending downward in the US for about six weeks. Deaths are a lagging indicator, however, and can take several weeks to rise after an increase in cases.