Discovery of new COVID infection mechanism offers clue to SARS-CoV-2 leap to humans - Phys.org

The original SARS-CoV-2 viral strain that emerged in early 2020 was able to latch on to sugars known as sialic acids, found on the surface of human cells, an ability that later strains did not retain.

The original SARS-CoV-2 viral strain that emerged in early 2020 was able to latch on to sugars known as sialic acids, found on the surface of human cells, an ability that later strains did not retain… [+4027 chars]

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