Coronavirus Disease (COVID-19) is a highly contagious respiratory illness caused by the SARS-CoV-2 virus. First identified in late 2019, the disease rapidly spread across the globe, leading to one of the most significant public health crises in modern history. COVID-19 affects individuals differently, ranging from mild symptoms to severe respiratory complications and long-term health effects. The pandemic accelerated advancements in vaccine development, digital healthcare, and global disease surveillance. Public awareness, vaccination, hygiene practices, and healthcare preparedness continue to play a vital role in managing and preventing the spread of COVID-19.
SARS-CoV-2 Virus
Respiratory Transmission
Variants and Mutations
Long COVID Syndrome