Date: Wed, 27 Sep 2000 23:01:36 -0400
To: Letters@time.com
From: "Samuel L. Katz, M.D."
Subject: YANOMAMI pg 77, issue of 2 October

The charge by Patrick Tierney in his book "Darkness in El Dorado" that James Neel "used a measles vaccine on the Yanomami that helped spread an epidemic killing 'hundreds, perhaps thousands'" is completely false. Neel administered a licensed US vaccine (Edmonston B which was given successfully to nearly 19 million infants and children in this country and internationally between 1963 and 1975) in a scientifically valid attempt to interrupt an epidemic that had already begun. In the scientific studies of this vaccine over and over again it was demonstrated that there was never any communicability or transmission of the vaccine virus to susceptible close contacts. The vaccine could not "spread an epidemic", let alone start one. Samuel L. Katz MD, co-developer (with Nobel laureate John F. Enders) of measles vaccine.
Home address: 1917 Wildcat Creek Road, Chapel Hill NC 27516, phone number 919.968.0008; office: Box 2925, Dept of Pediatrics, Duke University Medical School, Durham NC 27710, phone number 919.684.3734.


A similar letter by Dr. Katz was published in the October 30, 2000, New Yorker.

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