Immune System:  Ailments

 Vitamin A may help to prevent Autoimmune Diseases.  ^[1]

 Vitamin A may help to prevent most Bacterial & Viral Diseases and Vitamin A deficiency increases susceptibility to Bacterial & Viral Diseases (via numerous mechanisms that involve the Immune System):  ^[2]

 Vitamin A may help to prevent infections from Viruses:  ^[3]

 Vitamin A may be useful for the treatment of Acquired Immune Deficiency Syndrome (AIDS):  ^[4]

 Vitamin A may retard the onset of full-blown AIDS in persons who are infected with the HIV virus.

 High Vitamin A concentrations may suppress the replication of the HIV virus in Macrophages.

 Vitamin A deficiency has been correlated with increased (earlier) mortality in AIDS patients.

 Vitamin A may help to increase the number of circulating Helper T-Cells in AIDS patients.

 Vitamin A supplementation (during early Pregnancy) dramatically reduces the rate of vertical transmission (i.e. from mother to infant) of the HIV virus.

 Vitamin A deficiency may increase the body’s susceptibility to Chickenpox infection.  ^[5]

 Vitamin A (50,000 - 150,000 IU per day for three to five days) may exert anti-viral effects against the Viruses that cause the Common Cold.  ^[6]

 Vitamin A (50,000 - 150,000 IU per day for three to five days) may exert anti-viral effects against the Viruses that cause Influenza.  ^[7]

 Vitamin A may deactivate the Herpes Simplex Virus Type 2.  ^[8]

 Vitamin A may help to prevent infection by, and activation of, the Herpes Zoster Virus that causes Shingles.  ^[9]

 Vitamin A reduces the mortality rate in children infected with Measles by up to 50%.  ^[10]

 Vitamin A deficiency may increase the risk of (meningococcal) Meningitis.  ^[11]

 Vitamin A (12,500 - 25,000 IU per day) may reduce the severity of the Respiratory Syncytial Virus (RSV).  ^[12]

 Vitamin A deficiency may exacerbate the severity of Rotavirus infection.  ^[13]

 Vitamin Amay accelerate the recovery from Shigella infections (but does not inhibit or kill Shigella species).  ^[14]

 Vitamin A may reduce Inflammation.  ^[15]

 Vitamin A (100,000 IU daily for two weeks) may improve various impairments of the function of the Immune System in Systemic Lupus Erythematosus (SLE) patients.  ^[16]