Unlike other allergic reactions, however, anaphylaxis can kill. Reaction may begin within minutes or even seconds of exposure, and rapidly progress to cause airway constriction, skin and intestinal irritation, and altered heart rhythms. In severe cases, it can result in complete airway obstruction, shock, and death.
The 2016 Oakland, California, population is 419,267. There are 7,501 people per square mile (population density).
California's current population is estimated at 38,715,000 as of January 1, 2015 by the California Department of Finance. The United States Census Bureau officially estimates the California population at 36,756,666 as of July 1, 2008. In the 2000 Census, the California population was numbered at 33,871,648.