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Why do pigs exposed to the coronavirus not get sick?

Pig cells respond differently than human cells when exposed to SARS-CoV-2, the virus that causes COVID-19, a study out of Iowa State University suggests, findings that could help with the eventual development of new methods of treatment for the disease.

Pigs are seen in a shed of a pig farm with 800 pigs in Harheim near Frankfurt, Germany, in this file photo taken Friday, June 19, 2020. (AP Photo/Michael Probst)

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Climate and Environment

World worse now due to COVID-19, climate, conflict: UN chief

As he starts his second term as UN secretary-general, Antonio Guterres said Thursday the world is worse in many ways than it was five years ago because of the COVID-19 pandemic, the climate crisis and geopolitical tensions that have sparked conflicts everywhere -- but unlike U.S. President Joe Biden he thinks Russia will not invade Ukraine.



OPINION | Don Martin: Mr. Dithers is back as government slows to a crawl on Justin Time

It's been five months since Justin Trudeau declared the fall election to be a critical referendum on new political directions for Canada at 'a pivotal moment in our history.' But since that unconvincing win, the only discernable pivot has been to dither on Justin Time, writes Don Martin in an exclusive column for CTVNews.ca.