Oregano is a very powerful essential oil and its use should be approached with care. Oregano essential oil can be used in cleaning products when seasonal illness is present. When very well diluted, it can also be used for the achy joints associated with aging.Do not use if pregnant or breastfeeding. Oregano is a powerful skin irritant. We recommend a maximum dilution of 1% for topical applications

According to a research published on  the Journal of Applied Pharmaceutical Science in  2012, commercial Oregano oils with high concentrations of carvacrol have been vigorously promoted as antiviral agents effective against colds and ‘flu, including the pandemic H1N1virus. Another reported also show Oregano oil proves effective against coronavirus.  It can applied to anti-coronavirus  during Wuhan pneumonia outbreak.

When you use on Kids, you may use Winter Savory instead .