The ruling came more than a month after the stunning leak of a draft opinion by Justice Samuel Alito indicating the court was prepared to take this momentous step.
The U.K. Health Security Agency said it believes the virus was "vaccine-derived,'' meaning it came from someone who received the live polio vaccine abroad.
Alberta lifted the last few pandemic restrictions last week including mandatory masking on public transit and isolation for people who test positive for COVID-19 or have symptoms.
Canadian researchers clarify SABA and budesonide/formoterol overuse as relievers and translate Canadian Thoracic Society guidelines into clinical practice.
The action is part of a sweeping effort by the Food and Drug Administration to bring scientific scrutiny to the multibillion-dollar vaping industry after years of regulatory delays.
