The Delta variant, scientifically termed as B.1.617.2 of the COVID-19 infections, carries the genetic code from two other mutations, E484Q and L452R, which helps it to break into the human immune system and invade the organs.
Additionally, as the new variants tend to alter the structure of the spike protein, it is more efficient in attaching itself to the human host cells and multiplies swiftly, doing more damage than an originally COVID strain.
With the help of genome sequencing and sample testing, the first case of Delta variant in India was discovered in the state of Maharashtra and is said to have driven the second wave of coronavirus.
Read more: Coronavirus vaccination: What is a booster vaccine shot? Who will need it and other FAQs answered
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