Worldwide coronavirus cases have passed 100,000. These 5 countries are the worst hit

The novel coronavirus has spread throughout the world since the first cases were detected in central China in December. More than 3,400 people have died globally and over 101,000 have been infected, according to CNN's tally.
These five countries have been worst hit:
1.    Mainland China: 80,651 cases; 3,070 deaths
2.    South Korea: 6,767 cases, 44 deaths
3.    Iran: 4,747 cases, 124 deaths
4.    Italy: 4,636 cases, 197 deaths
5.    Japan: 1,045 cases, 12 deaths (includes 706 cases linked to Diamond Princess cruise ship)