Read a Jan. 28, 2011, essay, “Don’t Fear Egypt’s Muslim Brotherhood,” by Bruce Riedel, a Middle East expert at the Brookings Institution.

Read a Jan. 28, 2011, background article on the Muslim Brotherhood by CNN.com.

A Jan. 29, 2011, post at USA Today‘s “Faith & Reason” blog rounds up articles on the religious import of the Egyptian situation.

Shuja Shafi, a microbiologist at Northwick Park Hospital in Harrow, United Kingdom, is a co-author of the editorial, “Hajj and the Risk of Influenza,” and the letter, “Influenza Vaccine Uptake among British Muslims Attending Hajj, 2005 and 2006,” published in the British Medical Journal, Dec. 9, 2006.

Aziz Sheikh is professor of primary care research and development at the University of Edinburgh, Scotland, and a co-author of the editorial, “Hajj and the Risk of Influenza,” published Dec. 9, 2006, in the British Medical Journal.

Read a Jan. 30, 2011, essay about the political situation in Egypt at “On Faith” by Reza Aslan, a widely cited scholar of religions.

Shiraz A. Malik is executive director of the Islamic Medical Association of North America in Lombard, Ill.

Read an April 23, 2006, Seed magazine article about health on the hajj.

See a Dec. 7, 2006, UPI story about the flu warning.