Dietary supplement use and its effect on nutrient intake in Korean adult population
in the Korea National Health and Nutrition Examination Survey IV (2007–2009) data
_27.4% in men and 40.5% in women aged 19 or older in 2009 took supplements
 Download the PDF from VitaminDWiki
Dietary supplement use by south Korean adults: data from the
National Complementary and Alternative Medicine use Survey (NCAMUS) in 2006
"About sixty two percent of adults had taken any dietary supplement during the previous 12-month period in 2006."
 Download the PDF from VitaminDWiki
- Supplement usage - US 50 percent, China 0.7 percent - 2018
- Every single Taekwondo (indoor) Korean teen had low Vitamin D – Sept 2019
- 9X increase in Koreans seeking help with vitamin D deficiency in just 4 years – Jan 2015
- Virtually all young Koreans had less than 30 ng of vitamin D – 2012
- Women around the world want whiter skin
- Vitamin D levels continue to fall in Korea– June 2018
- Senior Korean women have much less vitamin D than men (possible reasons) Jan 2014 - including parasols to keep skin white
Web - COVID-19 in South Korea
- Korea COVID Update New York Times March 4
- South Korea has tested more than 130,000 people for the virus, and is operating 48 drive-through testing centers,
- Drive-thru COVID-19 testing in Korea - Feb 27
- More than 800,000 South Koreans call for President Moon to be impeached over virus Washington Post Feb 26
- "Moon has been widely criticized by his conservative opponents for failing to suspend travel from China, with restrictions applying only to people from the worst-affected province of Hubei and its capital, Wuhan."
- "South Koreans are fond of petitions and demonstrations, but with legislative elections in April, this could mark the first time that the international coronavirus epidemic becomes an active election issue."
- South Korea 763 cases CNBC Feb 23
- 435 in S Korea NYT Feb 22, 2020
- "...with more than half of them among members of a secretive religious sect, the Shincheonji Church of Jesus. Most are centered in and near Daegu, the country’s fourth largest city, which has been locked down."
- "The number of coronavirus cases in South Korea also set off alarms in Israel, after nine South Korean visitors tested positive for the virus upon returning home. They had spent a week touring popular, often-crowded Israeli religious sites. On Saturday, Israel tightened its border and barred South Korean travelers."
- South Korea Cases Surge to 204 Infections NYT Feb 21, 2020
- Coronavirus in South Korea – Daily Updates
- 1,000 in Quarantine as of Feb 12
- South Korea Tracks Virus Patients’ Travels—and Publishes Them Online WSJ Feb 17, 2020
- masks worn during Feb 9 figure-skating championships
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Some S. Korean VitaminDWiki studies - perhaps they would be interested in Vitamin D to prevent viruses
- Diabetes 50X less likely if 30 ng of Vitamin D and intense exercise – April 2018
- Pneumonia acquired in hospital – 3X more likely to die if low vitamin D – June 2015 works in a hospital
- 5X more likely to be vitamin D deficient if anemic - Dec 2012 works in a hospital