The outbreak of Covid-19, a coronavirus-caused illness that originated in Wuhan, China, and has since spread to most of the world, is one of the most serious public health crises in decades. It has spread far wider than Ebola did in 2014, and the World Health Organization has designated it a pandemic.

As of March 11, there have been more than 125,000 reported cases, more than 4,600 deaths worldwide, and more than 1,200 reported cases and 29 deaths in the US, according to Johns Hopkins’s tracker; its count is usually up to date and worth bookmarking as the crisis progresses.

The situation on the ground is evolving incredibly quickly, and it’s impossible to synthesize everything we know into clean, intelligible charts. But we do know a fair bit about how bad the outbreak is, what the disease does, and what controlling and ultimately ending the outbreak will look like.

With that in mind, here are nine charts that help explain the Covid-19 coronavirus crisis.

1) The virus is spreading rapidly

As of this writing, the Covid-19 caseload is rising rapidly […]