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In today’s digital age, online libraries have revolutionized the way we access literature. One such platform, Zlibrary , stands out as a beacon of knowledge, offering a vast collection of free e-books and articles that cater to a diverse audience. With millions of resources at the fingertips of readers worldwide, Z-Library has become an invaluable

COVID-19 is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of COVID‑19 can vary but often include fever,[7] fatigue, cough, breathing difficulties, loss of smell, and loss of taste.[8][9][10] Symptoms may begin one to fourteen days after exposure to the virus.