Parvovirus B19 and autoimmune diseases

Area of Science:

• Virology
• Rheumatology
• Immunology

Background:

• Parvovirus B19 (B19) is a virus known to cause several clinical disorders.
• Common manifestations include erythema infectiosum, aplastic crisis in hemolytic anemia, and hydrops fetalis.
• In adults, B19 infection frequently presents with joint symptoms like polyarthritis and polyarthralgia.

Purpose of the Study:

• To review the spectrum of clinical manifestations associated with Parvovirus B19 infection.
• To explore the relationship between B19 infection and autoimmune diseases, particularly rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE).
• To investigate the potential of B19 as a trigger for vasculitis.

Main Methods:

• Review of clinical cases and existing literature on Parvovirus B19 infections.
• Analysis of serological tests (IgM antibodies) for recent B19 infection diagnosis.
• Examination of associations with specific histocompatibility alleles (e.g., DR4).
• Review of reports linking B19 infection to RA, SLE, and vasculitis.

Main Results:

• B19 infection commonly causes acute polyarthritis and polyarthralgia, predominantly in hands and feet, usually resolving within weeks.
• Protracted polyarthritis is observed in some patients, potentially linked to DR4 alleles.
• B19 infection can transiently induce autoantibodies (rheumatoid factor, ANA, anti-DNA, etc.) and mimic RA or SLE.
• While B19 can trigger autoimmune conditions, it is considered an extremely rare cause of RA or SLE.
• Various forms of vasculitis have been reported following B19 infection, though infrequently.

Conclusions:

• Parvovirus B19 is a significant cause of acute arthritis and arthralgia, especially in young adults.
• B19 infection can present with autoimmune features and, rarely, may trigger or unmask underlying autoimmune diseases like RA and SLE.
• The association of B19 with vasculitis is noted but appears uncommon.