World leaders met virtually Monday at the World Health Organization's 73rd World Health Assembly to discuss and set priorities for the next year. At the assembly, South Korean President Moon Jae-in called for greater authority to be vested in the WHO to deal with emerging diseases, while HHS Secretary Alex Azar called the WHO's response to the coronavirus a failure that "cost many lives."

Biotech company Moderna released data on its closely watched phase 1 human trial for its coronavirus vaccine candidate. The data appears to be positive and shares of the company skyrocketed, lifting the overall market.

Global cases: More than 4.8 million

Global deaths: At least 318,534

Most cases reported: United States (More than 1.5 million), Russia (290,678), Brazil, (255,368), United Kingdom (247,709), Spain (231,606).