In "The top 100 brands" (Global Brands Scoreboard, Aug. 2), certain brands' countries of ownership were incorrectly listed. The correct listings are: Chanel, France; and Yahoo!, U.S. In "The stem-cell flap: Simmer down" (News: Analysis & Commentary, July 26) the correct date of Ronald Reagan's death is June 5, not June 6. The new antibody treatment described in "A SARS vaccine from survivors' cells" (Developments to Watch, Aug. 2) does not mobilize the patient's immune system, and should not be called a vaccine.