Key Points

• Flu: The region remains in the epidemic phase for the flu

  • Flu virus circulation remains very high, but a decline was observed in week 52

  • Epidemic peak reached in week 50 with a positivity rate of 38%

• Bronchiolitis: the region remains in the pre-epidemic phase

  • Persistent circulation of respiratory syncytial virus at a moderate level, justifying the continuation of enhanced surveillance to detect the onset of an epidemic phase early