Objectives To compare severity and clinical outcomes from Omicron as compared with the
Delta variant and to compare outcomes between Omicron sublineages. Methods We …

After the recent hard attempts felt on a global scale, notably in the health sector, the steady
efforts of scientists have been materialized in maybe one of the most expected findings of …

The most effective method of limiting the coronavirus disease pandemic of 2019 (COVID-19)
is vaccination. For the determination of the comparative efficacy and safety of COVID-19 …

Aims COVID-19 increases the risk of cardiovascular disease, especially thrombotic
complications. There is less knowledge on the risk of arrhythmias after COVID-19. In this …

Background Variation in immune response to COVID-19 vaccines is observed among
different ethnicities. We aimed to describe the reinfection rates, change in antibody titers …

Objectives This meta-analysis evaluated the Efficacy and Effectiveness of several COVID-19
vaccines, including AstraZeneca, Pfizer, Moderna, Bharat, and Johnson & Johnson, to better …

Background Influenza can cause a significant burden on patients with coronary artery
disease. This meta-analysis assessed the effectiveness of influenza vaccination in patients …

Objectives This study investigates the utilization of work absence benefits among United
States (US) employees diagnosed with COVID-19, examining frequency, duration, cost, and …

Pharmacovigilance plays a central role in safeguarding public health by continuously
monitoring the safety of vaccines, being critical in a climate of vaccine hesitancy, where …

Background COVID-19 vaccines can lead to diverse local and systemic side effects, but
there is limited evidence concerning their association with menstrual cycle changes. This …