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Screening History

The timeline below takes you through the history of newborn screening in Ontario, Canada.

2019

2019
Risk factor screening for permanent hearing loss (PHL) (CMV and genetic risk factors) begins.

2017

2013

August 12, 2013
Severe combined immune deficiency (SCID) screening begins

2008

April 7, 2008
Cystic fibrosis (CF) screening begins

2007

May 14, 2007
Congenital adrenal hyperplasia (CAH) screening begins

2007

February 28, 2007
Screening begins for biotinidase deficiency and galactosemia.

2006

November 24, 2006
Hemoglobinopathy (HbSSHbSC, and Hbs/ß-thalassemia) screening begins.

2006

August 8, 2006
Screening begins for 18 additional metabolic conditions, including other fatty acid oxidation defects (FAODs), amino acidemias (AAs), and organic acidemias (OAs)

2006

April 4, 2006
Newborn screening moves from Public Health Ontario to Newborn Screening Ontario (NSO) at the Children's Hospital of Eastern Ontario (CHEO). Screening continues for PKU and CH, and begins for medium chain acyl-CoA dehydrogenase deficiency (MCADD).

1978

1965

Newborn screening begins for phenylketonuria (PKU) by Public Health Ontario.

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