atlanta s centers for disease control and prevention reports hundreds may have been sickened and it could rise to thousands. of concern to health experts is the strain of salmonella that seems to be at work here. jonathan serrie is live i don t know who still has eggs left over in the refrigerators from may. but that s not a good idea, and who is most at risk? absolutely. well, in theory, anyone is susceptible. healthy people would get over symptoms in less than a week but for others, it can be serious. the people who are more likely to become seriously ill are the very yong, the very old or people with weak immune systems. they can have serious illness and potentially die. for people in these categories it s important to get early attention.