Wed., Oct. 23, 2019 Influenza Human Challenge Study Begins at NIAID-Sponsored Clinical Trial Units A clinical trial in which healthy adults will be deliberately infected with influenza virus under carefully controlled conditions is recruiting volunteers at four Vaccine and Treatment Evaluation Units supported by NIH's National Institute of Allergy and Infectious Diseases (NIAID). The first five volunteers were administered doses of the challenge flu virus earlier this week. One study aim is to assess how levels of pre-existing influenza antibodies impact the timing, magnitude and duration of a volunteer's flu symptoms following exposure to the challenge virus strain, which was developed at NIAID. National Institute of Allergy and Infectious Diseases  |  National Institutes of Health Update your subscriptions, modify your password or e-mail address, or stop subscriptions at any time on your Subscriber Preferences Page. You will need to use your e-mail address to log in. If you have questions or problems with the subscription service, please contact Subscriber Help. This service is provided to you at no charge by National Institute of Allergy and Infectious Diseases (NIAID). This email was sent to myhcistech.healthnews360@blogger.com using GovDelivery Communications Cloud on behalf of: National Institute of Allergy and Infectious Diseases · 5601 Fishers Lane · Bethesda, MD 20892 · 1-866-284-4107