An influenza pandemic requires organization and cooperation between countries as well as within them. Before a pandemic, surveillance and the sharing of samples of new infections are vital in order to develop effective drugs and vaccines against emerging strains. Poorer countries will not be able to protect their citizens from this pandemic without help from wealthier countries. There is evidence that helping poorer countries respond to an outbreak while it is still small might be able stop it altogether or at least slow down the spread of disease.