Fig. 1
From: The need for COVID-19 research in low- and middle-income countries

Cumulative cases of confirmed COVID-19 cases in high-income countries and low- and middle-income countries. HICs = high-income countries; LMICs = low- and middle-income countries. Countries categorized based on World Bank classifications. Cases reported from the Diamond Princess and MS Zaandam cruise ships were considered to have occurred in high-income countries. Data from the Johns Hopkins University Center for Systems Science and Engineering (CSSE)