Asked about the increase during a White House news conference, Trump said: "I can't imagine why."

When asked if he takes any responsibility for the spike, Trump answered: "No, I don't."

Last week, Trump incorrectly suggested during a White House coronavirus briefing that ingesting disinfectants or taking in sunlight could possibly be used to treat coronavirus patients.

A Department of Homeland Security official was discussing experiments where disinfectants like bleach and isopropyl alcohol quickly killed the virus on nonporous surfaces. Trump then mused about whether disinfectants could be used to treat the virus in humans -- asking whether there is "a way we can do something like that, by injection inside or almost a cleaning."

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