COVID-19 and SARS (Severe Acute Respiratory Syndrome) are both caused by coronaviruses but differ significantly in their impact and spread. SARS, caused by the SARS-CoV virus, emerged in 2002 and resulted in a global outbreak that affected over 8,000 people with a fatality rate of approximately 10%. In contrast, COVID-19, caused by the SARS-CoV-2 virus, was first identified in late 2019 and has led to a pandemic of unprecedented scale, affecting millions worldwide. While both viruses primarily cause respiratory illness, COVID-19 has demonstrated higher transmissibility and a broader range of symptoms compared to SARS. The global response to COVID-19 has included widespread public health measures, vaccination campaigns, and significant research efforts to understand and combat the virus, showcasing advancements and challenges in managing pandemics compared to the SARS outbreak.
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