MARILYN CORNWELL
Gardener and photographer living in Grimsby Ontario in the heart of Niagara.
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Showing posts with label
herd immunity
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Showing posts with label
herd immunity
.
Show all posts
Thursday, May 6, 2021
May 6 2021 - Herd Immunity
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Whenever I hear the expression "herd immunity", I think of cows, sheep, buffalo, and deer. I wonder if it is a small herd or b...
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