Explanation
COVID-19, which has recently been in the news, is caused by:
(D) Virus.
The disease COVID-19 (Coronavirus Disease 2019) is caused by the SARS-CoV-2 virus, which belongs to the coronavirus family. It is a highly contagious respiratory illness that primarily spreads through respiratory droplets when an infected person coughs, sneezes, talks, or breathes. COVID-19 has had a significant impact worldwide, leading to a global pandemic since its emergence in late 2019.
