The National Advisory Committee on Immunization (NACI) is now strongly recommending Canadian adults get a third dose of the COVID-19 vaccine, as Ottawa strikes a deal to buy a new weapon to fight the virus, and a lack of clarity lingers on travel measures. Early new evidence suggests the Omicron variant is more transmissible than the Delta one, while more evidence shows the benefits of mixing and matching vaccine doses. Also, Canadian businesses are on a hiring spree, as the employment rate soars above pre-pandemic levels. What triggered the growth spurt? Plus, a look at who's fuelling skyrocketing housing prices. And getting their shot: how Canadian zoos are trying to protect their animals from COVID-19.