Californian variant of Sars-Cov-2

Subject: Science and Technology

Context: A new variant first found in California (USA) has been found to be more contagious than earlier variants.

Concept:

The variant known as B.1.427/B.1.429 has seen to be rapidly spreading in parts of USA.
Study revealed that it produces twice as many viral particles than other variants.
Earlier the UK variant was said to both highly transmissible as well as lethal.