If patients can refuse a flu shot, why not health care workers? Hospitals are increasingly cracking down on employees who refuse to get flu shots across鈥�
Warnings that this year's flu season was likely to be a bad one are already bearing out in Boston. But an infectious disease doctor says the flu season may have already peaked last week.
Vaccination is still the best way to avoid getting sick, but it's not 100 percent protective. Some people may get infected with a strain of flu that isn't covered by this year's vaccine. For others, the shots just don't work.