Alerts, Memorandums, Clinical Guidance 
2024
Alert/Clinical Guidance  Measles Updates March 8, 2024 
Alert/Clinical Guidance PHO Test Requisition Form & Diseases of Public Health Significance  March 4, 2024 
Alert/Clinical Guidance CMOH Measles Memo / Measles eCTAS February 29, 2024
2023
Alert/Clinical Guidance

RSV Fact Sheet for HCP / FRRSV Fact Sheet - Vaccine RecipientsFR

October 27, 2023 
Alert/Clinical Guidance  THU Pertussis Assessment Tool September 19, 2023 
Alert/Clinical Guidance  Publicly Funded Immunizations, HCP Vaccine Requisition Form   June 19, 2023 
Alert/Clinical Guidance  Multi-Drug Resistant Shigella sonnei: Possible Sexual Transmission  March 20, 2023 
Alert/Clinical Guidance Mpox Clinical Information Update, French Version March 13, 2023
Alert /Clinical Guidance Changes to Lyme Disease Testing March 8, 2023 
Alert /Clinical Guidance Sustances in the Unregulated Drug Supply in ON March 1, 2023
Alert /Clinical Guidance  Measles, MOH Memo March 1, 2023
 2022
Alert /Clinical Guidance

Evusheld Update

December 14, 2022 
Alert /Clinical Guidance Paxlovid Update December 9, 2022 
Alert /Clinical Guidance

Norovirus Outbreak 

November 21, 2022
Alert /Clinical Guidance

Suspected Norovirus Outbreak

Octobober 3, 2022 
Alert /Clinical Guidance  Acute Flaccid Paralysis (AFP) September 26, 2022 
Alert /Clinical Guidance  SYPHILIS Update  September 9, 2022 
 Memo-Physicians Aconitine Poisoning  September 6, 2022 
Alert /Clinical Guidance  COVID-19 Update September 1, 2022 
lert /Clinical Guidance  Monkeypox Reporting: MemoSmallpox and other Orthopoxviruses, Monkeypox June 17, 2022
Alert /Clinical Guidance Shortage of Infant FormulasLetter-Health CanadaFact Sheet for Families and Caregivers (EN/FR)Interim PolicyNational Clinical Decision Tree (EN/FR)Typical Formula Consumption Amounts – Healthy Term InfantsOntario’s Inherited Metabolic Diseases (IMD) Program June 15, 2022 
Alert /Clinical Guidance  COVID-19 Update  June 3, 2022 
Alert /Clinical Guidance    CMOH Memo, CMOH Order, PHO Recommendations May 25, 2022
Alert /Clinical Guidance  COVID-19 Update May 5, 2022 
Alert /Clinical Guidance   COVID-19 Update, Paxlovid HCP Guidance, Paxlovid - Patient Handout April 12 2022
Alert /Clinical Guidance  COVID-19 Update   April 1, 2022
Alert /Clinical Guidance COVID-19 Update 

March 9, 2022

Alert /Clinical Guidance New Substance: B-17  March 1, 2022
Alert /Clinical Guidance Covid-19 Update  Feb 7, 2022
Alert /Clinical Guidance Covid-19 Update  Feb 2, 2022
Alert /Clinical Guidance Covid-19 Update  Jan 14, 2022
Alert /Clinical Guidance Covid-19 UpdateRisk Assessment Tool Critical Staffing Shortages  Jan 7, 2022
 2021
Alert /Clinical Guidance Covid-19 Update, Omicron Testing Guidance Dec 31, 2021
 Alert /Clinical Guidance Covid-19 Update, High Risk Contact Flow Chart  Dec 21, 2021 
 Alert /Clinical Guidance  Covid-19 Update, Dec 16, 2021
 Alert /Clinical Guidance Covid-19 Update Dec 7, 2021
 Alert /Clinical Guidance COVID-19 Update, Screening Form  Nov 12, 2021
  Alert /Clinical Guidance COVID-19 Update  Oct 21, 2021
  Alert /Clinical Guidance COVID-19 Update  Oct 13, 2021
  Alert /Clinical Guidance COVID-19 Update  Oct 4, 2021
 Alert /Clinical Guidance COVID-19 Update, 3rd Dose Referral Form Sept 22, 2021 
 Alert /Clinical Guidance  COVID-19 Update Sept 16, 2021
 Alert /Clinical Guidance  COVID-19 Update Aug 30, 2021
 Alert /Clinical Guidance    COVID-19 Update Aug 13, 2021 
 Alert /Clinical Guidance    COVID-19 Update July 29, 2021 
 Alert /Clinical Guidance     COVID-19 Update July 9, 2021 
 Alert /Clinical Guidance       Covid-19 Update   July 6, 2021
 Alert /Clinical Guidance    Covid-19 Update  June 18, 2021
 Alert /Clinical Guidance    COVID-19 Update June 11, 2021 
 Alert /Clinical Guidance COVID-19 Update June 4, 2021 
 Alert /Clinical Guidance COVID-19 Update April 27, 2021
 Alert /Clinical Guidance COVID-19 Update, COVID-19 Screening Form, VOC Presentation  April 23, 2021
 Alert /Clinical Guidance COVID-19 Update  April 21, 2021
 Alert /Clinical Guidance COVID-19 Update, Ontario Clinical Guidance (VIPIT)  April 7, 2021
 Alert /Clinical Guidance Extension of the Second Dose Interval  March 22, 2021
 Alert /Clinical Guidance  COVID-19 Update  March 19, 2021
 Alert /Clinical Guidance 

 COVID-19 Update

 March 16, 2021
 Alert /Clinical Guidance   COVID-19 Update  March 11, 2021
 Alert /Clinical Guidance   COVID-19 Update  February 25, 2021
 Alert /Clinical Guidance   COVID-19 Update  February 22, 2021
 Alert /Clinical Guidance   Ontario Publicly Funded Immunization Schedules & COVID-19 Vaccines  January 28, 2021
 Alert /Clinical Guidance   COVID-19 Update  January 19, 2021
Alert /Clinical Guidance   COVID-19 Vaccine Update  January 8, 2021
 2020
Alert /Clinical Guidance  COVID-19 Screening Form Update  December 16, 2020
 Alert /Clinical Guidance  COVID-19 Update  November 12, 2020
 Alert /Clinical Guidance  COVID-19 Update  October 13, 2020
 Alert /Clinical Guidance   COVID-19 Update  October 5, 2020
 Alert /Clinical Guidance     COVID-19 Update September 25, 2020 
 Alert /Clinical Guidance     COVID-19 Update September 22, 2020
 Clinical Guidance   Guidance for Immunization Services During COVID-19 / French Version  September 22, 2020 
 Alert /Clinical Guidance    COVID-19 Update September 9, 2020 
 Alert /Clinical Guidance    COVID-19 Update - Childcare Screen Form - Childcare Exclusion Algorithm August 21, 2020 
 Alert /Clinical Guidance       COVID-19 Update  August 12 2020
 Alert /Clinical Guidance       COVID-19 Update  August 5, 2020
 Alert /Clinical Guidance      COVID-19 Update June 26, 2020 
 Alert /Clinical Guidance     COVID-19 Update June 15, 2020 
  Alert /Clinical Guidance    COVID-19 Update  June 1, 2020
 Alert /Clinical Guidance    COVID-19 UpdateCOVID-19 Screening Form - HCP (N-422-CDC)  May 29, 2020 
 Alert /Clinical Guidance    COVID-19 Update  May 25, 2020
 Alert /Clinical Guidance   COVID-19 Update  May 22, 2020
 Clinical Guidance   COVID-19 Symptoms List - Updated  May 15, 2020
 Alert /Clinical Guidance  COVID-19 UpdateCOVID-19 Symptoms List  May 14, 2020
Alert /Clinical Guidance

 COVID-19 Update   

May 6, 2020 

Clinical Guidance

Immunization Guidance During COVID-19 / Directives - Services de Vaccination

April 22, 2020

Clinical Guidance

Immunization Guidance During COVID-19 / Directives - Services de Vaccination

April 21, 2020

Resource

Harm Reduction Supplies & Naloxone Kits - Supply Locations During COVID-19

April 20, 2020

Alert/Clinical Guidance

COVID-19 Update:

o   Page 3 - Recommendations for Health Care Workers - Return to Work

o   COVID-19 Screening Form - HCP (N-422-CDCa)

o   COVID-19 Testing Update CMOH (2020-04-15)

April 17, 2020

Alert

COVID-19 Update

April 14, 2020

Alert

COVID-19 Update

April 2, 2020

Alert

COVID-19 Update

Mar 26, 2020

Alert

Pertussis Outbreak Declared Over

Mar 20, 2020 

Alert

COVID-19 Update

Mar 19, 2020

Alert

COVID-19 Update

Mar 17, 2020  

Alert 

COVID-19 Update

Mar 16, 2020

Alert 

COVID-19 Update

Mar 13, 2020

Alert 

COVID-19 Update

Mar 12, 2020

Alert 

COVID-19 Update 

Jan. 31, 2020