Manitoba to begin offering single-dose RSV immunization – CTV

August 19, 2025

Manitoba is set to begin offering a single-dose immunization for RSV this fall.

According to a provincial spokesperson, as of Oct. 1, Manitoba’s RSV Immunoprophylaxis Program for high-risk infants will start providing nirsevimab – a long-acting monoclonal antibody that lasts a full season. Currently, the program offers a multi-dose anti-body treatment.

This change comes more than a year after Canada’s national advisory committee recommended the switch.

RSV season generally runs from late fall to early spring, with most cases reported between December and March.

Read more: https://www.ctvnews.ca/winnipeg/article/manitoba-to-begin-offering-single-dose-rsv-immunization/