COVID-19
COVID-19 COVID-19, caused by the SARS-CoV-2 virus, is a respiratory illness that emerged in late 2019. Overview Transmission : Spread mainly through respiratory droplets when an infected person coughs, sneezes, or talks. It can also spread via surfaces and aerosols in enclosed spaces. Symptoms : Common symptoms include fever, cough, fatigue, loss of taste or smell, and difficulty breathing. Some individuals may experience mild symptoms, while others can develop severe illness. Variants Multiple variants have emerged, including Alpha, Beta, Delta, and Omicron. Variants can have different transmissibility and severity, affecting public health responses. Prevention Vaccination : Vaccines have been developed and authorized for emergency use, significantly reducing the severity of illness and transmission rates. Public Health Measures : Wearing masks, maintaining physical distance, and practicing good hand hygiene are crucial for preventing the spread. Treatment Mild Cases : Ofte...