The National Coordinating Centre (NCC) will be closed for the holidays from December 24, 2020 until January 4, 2021.

Participants in the CLSA’s COVID-19 Antibody Study can continue to send in their blood sample collection kits. Please refer to the FAQs for questions regarding the COVID-19 Antibody Study.

Due to the holiday closure, responses to emails and voicemails will be delayed until January. Thank you for your participation in the CLSA. We appreciate your patience.