The changing geography of Covid-19 in the USA


California and Texas hit record peaks in new Covid-19 infections on Monday to cap a week that saw the highest number of new infections reported in the United States.

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This further increase in cases in the southern and western parts of the country ended up being the second wave of infections in the US, undoing the gains made by northeastern states like New York and New Jersey that finally controlled their outbreaks to a large extent. measure .

New York State (with NYC as its epicenter) led “first wave states” that also included New Jersey, Illinois, Massachusetts, and Pennsylvania when the coronavirus spread across the country in March. As of early April, 60% of all new cases in the US could be tracked only in these five states. Since then, her contribution to new cases has dropped to just 6% in the past seven days.

Cases in these “first wave” states peaked in early April, resulting in a clear flattening of the new infection curve as of April 10 (see chart).

However, this drop was undone when the virus began to spread in the southeast and west. California is among a number of U.S. states, including Florida, Texas, Arizona, and North Carolina, battling a new wave of infections as the nation emerges from weeks of repression. ‘Second wave’ states were responsible for less than 3% of new cases reported in the last week of March. Since then, his contribution to infections has increased to 30% in the past seven days.

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