Doctor and senior woman wearing facemasks during coronavirus and flu outbreak. Virus protection. COVID-2019..

Flu shots are good for seniors. Or are they? Researchers question the vaccine’s effectiveness in a new report.

There is not enough evidence that all older people should receive flu vaccines, according to researcher Dr. Lisa Jackson of the Group Health Center for Health Studies. She believes there needs to be more studies comparing new and potentially more effective vaccines for elderly people.

Still, she also advocates for the flu shot, noting that the side effects are few and it is better than doing nothing. The article appears in the October issue of Lancet Infectious Diseases.