COVID-19: Source, Symptoms, Screening, Prevention and Treatment

Background: COVID-19 is an infectious disease caused by the newly acquired SARS-COV2 virus. The disease is rapidly changing, as well as our understanding of the emerging virus. Not knowing what it was at the beginning of the year 2020, scientists have been able to classify, track, classify, and establish diagnostic tests. Severe illness may strike the elderly and those with chronic illnesses, such as heart disease, diabetes, or cancer.

Conclusion: Over the past four decades, the emergence of new infectious, global threats has reshaped national and international thinking and the level of public health responses needed to combat these threats. All countries are at risk of new diseases, according to International Health Regulations.