Almost half the US is reporting increased numbers of new Covid-19 cases as health experts warn of a potential coronavirus surge in the fall and winter.
As of Sunday, the number of new coronavirus cases has increased by at least 10% or more compared to the week before in 21 states, most of them in the West, according to a CNN analysis of data from Johns Hopkins University.
Cases are rising in Alabama, Alaska, Colorado, Idaho, Maine, Michigan, Minnesota, Montana, Nevada, New Jersey, New Mexico, North Carolina, North Dakota, Oregon, South Carolina, South Dakota, Texas, Utah, Washington state, Wisconsin and Wyoming.
Eighteen states were holding steady. Only 11 -- Arizona, Louisiana, Tennessee, Georgia, Florida, Virginia, Maryland, Connecticut, Rhode Island, Vermont and New Hampshire -- saw decreases of new cases of more than 10% compared to the week prior.
The US could see an explosion of Covid-19 cases in the fall and winter as people exercise less caution and spend more time indoors, where there is a greater likelihood of transmission, according to Dr. Chris Murray, director of the University of Washington's Institute for Health Metrics and Evaluation (IHME).
Murray says the IHME model shows a "huge surge" expected to take off in October "and accelerate in November and December." The IHME model indicates that the country is currently seeing about 765 daily deaths from Covid-19, but that number could jump to 3,000 daily deaths by late December.
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