Coronavirus: What's happening in Canada and around the world on Saturday

The latest:

Pfizer has submitted to Health Canada its preliminary data on the effectiveness of its COVID-19 vaccine in children ages five to 11, the department confirmed Saturday.

The company has been testing a lower dose of the shots in children.

On Sept. 20, the pharmaceutical giant said the first results of its pivotal study indicate the vaccine was "safe, well-tolerated and showed robust neutralizing antibody responses" in that age group. Pfizer said it would be submitting its data to regulatory agencies around the world as soon as possible.

A pivotal trial is usually a Phase III study, which presents the data that Health Canada uses to decide whether or not to approve a drug.

In an email to CBC News, Health Canada said Pfizer submitted its preliminary trial data on Friday afternoon, earlier than expected, and is expected file a formal submission on pediatric shots in mid-October.

There are currently no vaccines authorized for children under 12 years old in Canada. Those 12 and older can get either a Pfizer or Moderna vaccine.