
Keywords: acute severe hepatitis, unknown origin, children, outbreak investigation, administrative databases, baseline incidenceīackground: In spring 2022, a series of reports from the United Kingdom and the United States identified an increase in the incidence of acute severe hepatitis in children. Acute severe hepatitis of unknown origin in children in Canada. Macri J, Morton V, Hamel M, Trépanier P-L, Salvadori MI, Acute Hepatitis Investigation Team. Jennifer Macri 1, Vanessa Morton 2, Meghan Hamel 3, Pierre-Luc Trépanier 4, Marina I Salvadori 5,6, Acute Hepatitis Investigation Team Affiliationsġ Canadian Field Epidemiology Program, Public Health Agency of Canada, Ottawa, ONĢ Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Guelph, ONģ Centre for Food-borne, Environmental and Zoonotic Infectious Diseases, Public Health Agency of Canada, Ottawa, ONĤ Ministère de la Santé et des Services sociaux, Montréal, QCĥ Public Health Agency of Canada, Ottawa, ONĦ Department of Paediatrics, McGill University, Montréal, Suggested citation Still need help? Go to Microsoft Community.Volume 49-6, June 2023: Acute Hepatitis in Children in Canada Surveillance Acute severe hepatitis of unknown origin in children in Canada Verify that the times are captured in all the log files. The UTC time at which the publisher updated the presence, and the time at which the observer noticed that the contact's presence status wasn't updated.For more information about the logs, see Use log files in troubleshooting Microsoft Teams. The desktop and debug logs from both the observer and publisher.


If none of these steps fixes the issue, open a support ticket that contains the following information:

Based on the Presence in the coexistence scenario, this issue may be an expected behavior. The contact is using Microsoft Skype for Business.A network communication issue is affecting the unified presence service (UPS).The contact set the presence status to Appear offline.The contact is offline (the contact hasn't signed in to Teams).This issue occurs if one or more of the following conditions are true:

In Microsoft Teams, the presence status of a contact is displayed as Status unknown, or the status doesn't update.
