A. Mid 2021
B. End 2022
C. Late 2020
D. Begning of 2019
🧠 Explanation:
The COVID Delta variant was discovered in India in late 2020, impacting health. For public health students, this highlights epidemiology, making it a key topic for studying pandemics, medical science, and global health. Delta spread rapidly. Understanding this clarifies virus origins. It’s essential for analyzing public health, medicine, and epidemiology. Studying Delta’s discovery offers insights into how viruses emerge, crucial for public health, medicine, and biology.
