Millions in the world seeking immunity against covid 19, we hope that when taken vaccine ,we activate our immunity and our memory cells will learn how to fight covid 19 if it comes to our blood,

ill not clear when restrictions will be lifted and life will return to normal, though that’s likely a while away. Since the vaccine was only first approved two months ago, more will be known over time about how long immunization lasts. Similar to the flu shot, the COVID-19 vaccine will likely need to be taken on a yearly basis.

“We’re not going to eradicate this virus,” says Tania Bubela, a professor and dean with the faculty of Health Sciences at Simon Fraser University. “It’ll be part of the seasonal viruses that cycle through the human population.”