Global health officials are warning that H1N1 swine flu could bloom into a pandemic. Yesterday, the World Health Organization declared a Phase Five alert. Epidemiologist and virus hunter Nathan Wolfe, of the Global Viral Forecasting Initiative, says it never should have gotten to this point. In an op-ed in today's New York Times, Wolfe argues that if global public health functioned differently, we probably could have detected the virus before it spread so widely.
Still unsure of how to spot swine flu? This video from the Centers for Disease Control explains the symptoms.