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Background and Objective: Homoeopathy has played a notable role in managing epidemics in the past. The Ministry of Ayush, Government of India, declared Arsenicum album 30 C as a prophylactic for Covid-19, which was followed by the distribution of the medicine across India. The Central Council for Research in Homoeopathy (CCRH) collected post-prophylactic consumption data of individuals from various colleges over months, which created a data pool. Considering the importance of these mass-level data and their possible impact on public healthcare decisions, the information gathered from this heterogeneous population cohort was subjected to a retrospective data analysis to observe the incidence of Covid-19 in the community. Methods: Data from 50 colleges from February-August 2020 showed that 10.6 million people in 13 states of India received prophylactic medicine during the study period. The data was collected from individuals three weeks following prophylactic consumption for a retrospective analysis. The incidence of Covid-19 was assessed. Results: The data of 584 980 individuals who met the study criteria were included in the analysis. The incidence of Covid-19 in the population cohort was 13.58 per 10 000-person weeks (95% CI, 13.04 to 14.14), which remained near-constant over time despite the increasing disease burden in the country (12.87 to 14.52 per 10 000-person weeks). Consumption of the prophylactic significantly reduced the risk of contracting Covid-19 in high-risk groups as compared to their counterparts. Conclusion: The study concludes that Arsenicum album 30 C has a potential prophylactic effect against Covid-19. Further controlled studies are recommended to establish a causal relation.

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The Coronavirus Disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), outbreak from Wuhan City, Hubei province, China in 2019 has become an ongoing global health emergency. The emerging virus, SARS-CoV-2, causes coughing, fever, muscle ache, and shortness of breath or dyspnea in symptomatic patients. The pathogenic particles that are generated by coughing and sneezing remain suspended in the air or attach to a surface to facilitate transmission in an aerosol form. This review focuses on the recent trends in pandemic biology, diagnostics methods, prevention tools, and policies for COVID-19 management. To meet the growing demand for medical supplies during the COVID-19 era, a variety of personal protective equipment (PPE) and ventilators have been developed using do-it-yourself (DIY) manufacturing. COVID-19 diagnosis and the prediction of virus transmission are analyzed by machine learning algorithms, simulations, and digital monitoring. Until the discovery of a clinically approved vaccine for COVID-19, pandemics remain a public concern. Therefore, technological developments, biomedical research, and policy development are needed to decipher the coronavirus mechanism and epidemiological characteristics, prevent transmission, and develop therapeutic drugs.