Coronavirus map: Tracking the spread in the US and around the world
The outbreak, which began in China, has sickened over 19.1 million worldwide.
By Friday, the novel coronavirus outbreak in the United States had grown to more than 4.8 million cases in all 50 states, the District of Columbia and Puerto Rico. There are outbreak clusters in states across the country, according to Johns Hopkins University, which is tracking reports and confirming them with local health departments.
The number of cases in the U.S. and worldwide is the subject of some debate, as testing has been rolled out unevenly and the criteria for diagnosis (through clinical means or a lab test) has varied from country-to-country.
For more information on COVID-19 cases in your state, check your state's health department website, listed below. The U.S. Centers for Disease Control and Prevention maintains nationwide statistics, but they are not updated as frequently. Information from Johns Hopkins University is not independently verified by ABC News.
The growing number of deaths in the U.S. surpasses the seasonal flu, which kills an estimated 12,000 to 61,000 people per year and affects between 9 million and 45 million people in the country, according to the CDC.
Still, experts warn that the COVID-19 shouldn't be downplayed or compared to a bad case of the flu. Instead, the respiratory disease is more akin to severe pneumonia, and in serious cases, patients experiencing difficulty breathing have been hospitalized and put on ventilators.
What is unknown is how deadly coronavirus, which has no treatment at this point, is compared to the flu or how serious its effects are for those who are sickened but do not die.
Of those cases in the U.S. (pictured above), at least 48 were diagnosed in individuals who were repatriated to the United States on government charter flights from Wuhan, China, and from the Diamond Princess cruise ship. But many others are cases of unknown origin, or community spread, where there is no known nexus to travel.
Tracking novel coronavirus worldwide
Meanwhile, the virus, officially known as COVID-19, has spread to dozens of countries in regions around the world.
The novel coronavirus outbreak began in Wuhan, China, in late December, and has since sickened at least 19.1 million people worldwide and killed more than 715,000, primarily in the United States, Europe, Canada, Brazil, Mexico, Iran and China, and according to data from Johns Hopkins. At least 11.5 million people globally have recovered, JHU said.
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