Some degree of: immunity does occur. "We know that patients who have survived do have specific antibodies in their blood," said Armand Sprecher, MD, from Médecins Sans Frontières. "Of course, what we don't know is the threshold at which antibodies give you a surrogate marker of protection." See: http://www.medscape.com/viewarticle/833730
Answered 1/8/2015
3.4k views
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question