The SERPINA1 gene provides instructions for making a protein called alpha-1 antitrypsin, which is a type of serine protease inhibitor (serpin)

Antibodies, or immunoglobulins, are proteins made by the body that help fight against foreign substances called antigens.

The polymerase chain reaction (PCR) is a fast and inexpensive technique used to "amplify" - copy - small segments of DNA to enable testing.

A complete list of symptoms for Long Haul Covid or Chronic Covid Syndrome. Educate yourself about the symptoms and seek help from qualified healthcare professionals