The risk of contracting COVID-19 is not linked to vitamin D levels
Low vitamin D levels and an increased risk of contracting the new coronavirus have no causal relationship. This conclusion was reached by a group of scientists led by Dr. Yunhong Lee, an employee of the Quest Diagnostics organization. The results of their research are published in the JAMA Network Open journal.
The work analyzed the data of more than 18 thousand people aged 37 to 56 years, the data on the level of vitamin D which were obtained as part of the annual health screening program from September 2019 to January 2020. Already during the pandemic, their vitamin content was also measured and tests for antibodies to SARS-CoV-2 were taken.
A reduced level of vitamin D (less than 30 ng / ml) was found in almost 60 percent of those surveyed. 24.8 percent of the study participants had a vitamin deficiency (less than 20 ng / ml).
The results showed that vitamin D deficiency was detected in people with obesity, diabetes, hypertension, as well as smokers and leading a sedentary lifestyle. These diseases and habits have been identified as factors of increased risk for SARS-CoV-2 infection. Vitamin D deficiency alone did not increase the likelihood of illness.
Yunhong Lee explained that a common misconception was due to incomplete laboratory studies of patients with COVID-19, which did not take into account other factors of increased risk of infection.