Knowledge and Prevention of Vertical Transmission of Hepatitis B Infection: A Cross-Sectional Study among Pregnant Females in Varanasi, India.

Background: 300 million individuals worldwide suffer from chronic HBV infection. India, an intermediate endemicity zone, has a 3-4% HBsAg prevalence in the general population and 0.9-11.

Long-Term Safety Analysis of the ChAdOx1-nCoV-19 Corona Virus Vaccine: Results from a Prospective Observational Study in Priority Vaccinated Groups in North India.

Introduction: Various vaccines for protection against COVID-19 were provided emergency approval in late 2020 to early 2021. There is a scarcity of long-term safety data for many of these.

Objective: The main aim of this study is to provide the one-year safety results of the ChAdOx1-nCoV-19/AZD1222 vaccine and determine the risk factors of adverse events of special interest (AESIs) and persistent AESIs.