Age

20–any

Sex

ALL

Healthy volunteers

Not accepted

1. participants over 20 years of age
2. positive for nasopharyngeal swab reverse transcriptase polymerase chain reaction (RT-PCR) for COVID-19
3. blood oxygen saturation (SpO2) \> 93%.

1. pregnant and breastfeeding women
2. individuals confirmed to be allergic to milk protein
3. those with a medical history of bronchial hyperactivity or pre-existing respiratory diseases
4. ICU inpatients with COVID-19.

Lactoferrin Use in (SARS-CoV-2) Management