Key Points

Preliminary Assessment of the 2018–19 Flu Season

• Short-lived epidemic

• Circulation of almost exclusively influenza A viruses, with co-circulation of A(H3N2) and A(H1N1)pdm09 viruses

• Moderate impact on outpatient care

• Significant impact in hospitals and long-term care facilities

• Significant influenza-related mortality

• Very slight increase in vaccination coverage

• Moderate efficacy of the influenza vaccine, varying by viral strain