Understand the difference between getting a flu shot and choosing one.

The flu (influenza) is more than just a "cold"—it's a specific and serious respiratory "disease." For a flu vaccine that may offer broader coverage against the flu, choose a 4-strain vaccine.

The 3-strain vaccine only covers 3 strains of the influenza virus, but the 4-strain vaccine covers an additional flu virus strain. For broader coverage, Choose More. Choose Four.

The 4-Strain Flu Vaccine: Learn how a 4-strain flu vaccine may offer broader coverage against the flu.
Understanding the Flu: Learn more about the flu.
Help Protect Against the Flu: Learn how flu vaccines can help protect you and your family against the flu.
The 4-Strain Flu Vaccine: Learn how a 4-strain flu vaccine may offer broader coverage against the flu.
Understanding the Flu: Learn more about the flu.
Help Protect Against the Flu: Learn how flu vaccines can help protect you and your family against the flu.
The 4-Strain Flu Vaccine: Learn how a 4-strain flu vaccine may offer broader coverage against the flu.
Understanding the Flu: Learn more about the flu.
Help Protect Against the Flu: Learn how flu vaccines can help protect you and your family against the flu.

Understand the difference between getting a flu shot and choosing one.

The flu (influenza) is more than just a "cold"—it's a specific and serious respiratory "disease." For a flu vaccine that may offer broader coverage against the flu, choose a 4-strain vaccine.

The 3-strain vaccine only covers 3 strains of the influenza virus, but the 4-strain vaccine covers an additional flu virus strain. For broader coverage, Choose More. Choose Four.

The 4-Strain Flu Vaccine: Learn how a 4-strain flu vaccine may offer broader coverage against the flu.
Understanding the Flu: Learn more about the flu.
Help Protect Against the Flu: Learn how flu vaccines can help protect you and your family against the flu.
The 4-Strain Flu Vaccine: Learn how a 4-strain flu vaccine may offer broader coverage against the flu.
Understanding the Flu: Learn more about the flu.
Help Protect Against the Flu: Learn how flu vaccines can help protect you and your family against the flu.
The 4-Strain Flu Vaccine: Learn how a 4-strain flu vaccine may offer broader coverage against the flu.
Understanding the Flu: Learn more about the flu.
Help Protect Against the Flu: Learn how flu vaccines can help protect you and your family against the flu.