COVID-19 Your immune system: The secret to fighting colds, flu and COVID-19 | CBC Kids News January 16, 2024
COVID-19 October 5, 2020 What does herd immunity mean? | CBC Kids NewsAlberta’s top doctor disappointed some people last week when she said we can’t rely on “herd immunity” to help bring an end to the COVID-19 pandemic. Herd immunity happens when a large group of people develop a resistance to an…