The It is characterized by several mutations throughout its structure, but the most important one is found in the S protein: L19R, a At position 157/158, L452R, T478K, all are in the N-terminal domain; and D950N in the receptor binding domain (RBD). The L452K mutation is looked for in screening tests. It is necessary to confirm the existence of a file in a sample.
This variant is 40 to 60% more infectious than the other variants in the circulation and is shown to be less sensitive to neutralizing antibodies. that Of convalescent patients it is 4 times less effective against the delta variant, compared to the alpha variant. Also, a single dose of the vaccine is not enough to inhibit from the delta variable. in the end , 95% of the individuals tested by the same scientists developed a neutralizing response against But it is about 3 to 5 times less severe.
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