SARS COVID-19 Case Studies: Diagnostic Tests, Vaccination Challenges and Disease Outcomes

Globally, COVID-19 has resulted in fatalities and significant upheaval. A zoonotic illness that has spread from its original animal host to infect people and spread throughout the world. It has put pressure on the healthcare infrastructure of countries that are ill-equipped to combat this disease. It is preferable to vaccinate a group to build immunity. Due to vaccine monopolies, wealthy countries can immunize the majority of their people whereas underdeveloped countries can only immunize a small portion. Newer variants are likely to emerge. The Omicron variant has followed previous surges od the Alpha and Delta variants. Non pharmacological measures will remain an important preventive strategy for delaying viral spread and reducing disease. Covid-19 causes acute respiratory failure and has sequelae termed long covid that causes multi organ dysfunction. This has huge impact on health related quality of life (HRQol).