On 20 February 2011, Dr. Keiji Fukuda, Assistant Director-General - Health Security and Environment, World Health Organization, responded to KEI's letter (16 February 2011) regarding McKinsey, vaccine policy and competing interests. Here is the response in full (email contacts have been redacted).

From: "Fukuda, Keiji"
Date: February 20, 2011 4:14:05 PM GMT+01:00
To: "Thiru Balasubramaniam"