Also, given the recent Lancet report on WHO's failure to provide effective malaria vaccine to the point of condemning some Africans to death just to save some money, makes the concern of the Nigerian clerics and other African governments very valid.
Canadian health officials will be using a stockpile of vaccine to make the shots easily available during the games -- although experts point out that it takes seven to 10 days to develop immunity after the vaccine.
"The technology has advanced in recent years to a point that we believe it could help meet a surge in demand for U.S.-based vaccine for seasonal and pandemic flu, " HHS Secretary Kathleen Sebelius said in a statement last week.