The COVID-19 pandemic is formally known as SARS-CoV-2.

Differences 

Origination
Originated most likely from a bat.
The first case was first identified in Wuhan, China in December of 2019.

Mortality Rate

The 2019 pandemic mortality rate is higher for people 85 years and older.

People with pre-existing health conditions also have a higher mortality rate.

Waves

COVID-19 has lasted for almost a year with three waves.

Case Rates

According to the World Health Organization, as of February 5, there have been 104,370,550 confirmed cases of COVID-19 globally, including 2,271,180 deaths.

According to the CDC, as of February 4, there have been 26,398,337 total cases in the United States, and 449,020 deaths.

Vaccine

A vaccine has started to be produced and released by Pfizer and Moderna.