Are vaccines effective against new variants?

Since the outbreak of the novel coronavirus, the world has remained in a state of panic and chaos. While initially the symptoms and the long term effects of the deadly virus wreaked havoc in and around the world, with the onset of the new COVID variants, the situation has worsened and become more dangerous.

Are vaccines effective against new variants?
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Since the outbreak of the novel coronavirus, the world has remained in a state of panic and chaos. While initially the symptoms and the long term effects of the deadly virus wreaked havoc in and around the world, with the onset of the new COVID variants, the situation has worsened and become more dangerous.