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Challenge trials face too many ethical and logistical hurdles to go forward, experts say

Four Liberal MPs and health experts recently penned an op-ed arguing that challenge trials are worth the risk.
Canada's Chief Public Health Officer Theresa Tam, pictured June 15, 2020, arriving at the West Block to hold a press conference to update Canadians on the response to the ongoing COVID-19 pandemic. Dr. Tam has said that vaccines won't be a silver bullet in fighting COVID-19. The Hill Times photograph by Andrew Meade
By Aidan Chamandy      

The race to develop the COVID-19 vaccine, or a series of vaccines, is well underway and at the time of writing, three clinical trials are in phase three, with dozens more in phases one and two and in the pre-clinical stage. One Russian vaccine was even approved before phase three of testing.

Aidan Chamandy

Aidan Chamandy is a reporter covering federal policy and parties for The Hill Times.
Follow her on Twitter @ or email her at achamandy@hilltimes.com


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