COVID-19 , the disease caused by the coronavirus , was officially declared a pandemic by the World Health Organization on March 11.

The virus has killed more than 21,000 people worldwide and continues to spread at a rapid pace. Efforts to curb the outbreak have led to the global disruption of daily life and the economy, as schools and workplaces shutter in hopes of slowing transmission.

HuffPost reporters around the world are tracking the pandemic and the measures being taken to flatten the curve of transmission.