¶ The Korean clusters

@article{reuters2020patient31,
 author  = {Hernandez, Marco and Scarr, Simon and Sharma, Manas},
 date    = {2020-02-26},
 title   = {The Korean clusters - How coronavirus cases exploded in South Korean churches and hospitals},
 journal = {Reuters},
 url     = {https://graphics.reuters.com/CHINA-HEALTH-SOUTHKOREA-CLUSTERS/0100B5G33SB/index.html},
 urldate = {2020-10-16}
}