These charts show how fast coronavirus cases are spreading and what it takes to flatten the curve
As U.S. public officials, health-care workers and epidemiologists struggle to track the course of the coronavirus pandemic, they are being hampered by a dearth of data on exactly how far and how fast the virus is spreading.
Despite frequent updates by the news media, public health agencies and independent researchers tracking the outbreak, the available data represents only a portion of the total number of cases, many of which have gone unreported.
That lack of data in the U.S. is largely the result of delays in rolling out widespread testing in the early stages of the outbreak.
“Without knowing the extent and availability of testing, it is very hard to know what to make of the reported numbers,” said Yonatan Grad, a professor of Immunology and Infectious Diseases at the Harvard T.H. Chan School of Public Health. “For the U.S., when we see reports of numbers, they are …continued .
[Source: CNBC News]