Medical Advisory - Heightened Surveillance for Influenza-like Illness (ILI)

Released January 4, 2017

Issued by: ​Andrea Feller, MD MS FAAP FACPM, Associate Medical Officer of Health

Influenza A continues to rise in the Niagara region. Health care providers should have a heightened awareness of respiratory symptoms and suspect influenza as a causative agent.


  • ​Influenza vaccine is the most effective strategy to prevent influenza
  • Use contact and droplet precautions including facial protection (which may include a mask in conjunction with eye protection, or a face shield that covers eyes, nose and mouth) within two meters of a patient on droplet precautions
  • Advise patients with influenza-like illness to stay home from work or school while ill
  • Practice frequent hand hygiene and cough etiquette

For those at high risk of complications, or for institutional outbreak management:

- Oseltamivir (Tamiflu), started within 48 hours of symptom onset, is recommended

- Therapy should not be delayed while awaiting test results

- Use for:

  • Treatment of moderate, progressive, severe or complicated influenza, such as individuals who are hospitalized with influenza-like illness;
  • Treatment of those at high risk for complications of influenza, such as children less than 5 years of age, adults 65 years of age and over, and those with underlying medical conditions;
  • Treatment and prevention in influenza outbreaks in institutional settings


For further information, please contact Niagara Region Public Health, Infectious Disease Program at 1-888-505-6074 or 905-688-8248 ext. 7330 Monday to Friday 08:30 am to 4:30 pm, after hours 905-984-3690.

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