The number of individuals in the hospital with Covid-19 fell in coronavirus hotspots in June and July, consistent with data released by NHS England.
Cases of coronavirus are rising nationally since the health center in July, and even earlier in Leicester.
More of those cases are among children , who are less likely to become seriously sick.
But scientists use hospital data to know whether rising cases reflect more infections or more testing.
The number of individuals dying or going to hospital with Covid-19 has been falling across the United Kingdom for months, but since July, the amount of confirmed cases has began to rise.