Navigating Vaccine Uncertainty: Anxiety and Fourth Dose Hesitancy Among Saudi Adults.

Background The continuous evolution of new variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and early evidence of declining effectiveness of the third dose over time have generated anxiety and hesitancy regarding vaccinations. The current study aimed to assess anxiety levels and the willingness to receive a fourth dose of the SARS-CoV-2 vaccine. Potential factors leading to this reluctance were also assessed.

The impacts of COVID-19 measures on global environment and fertility rate: double coincidence.

The study aims to examine the effects of coronavirus disease-2019 (COVID-19) measures on global environment and fertility rate by using the data of 1980 to 2019. The results show that communicable diseases including COVID-19 measures decrease carbon emissions and increase the chances of fertility rates in an account of city-wide lockdown. The knowledge spillover substantially decreases carbon emissions, while high energy demand increases carbon emissions.

Does communicable diseases (including COVID-19) may increase global poverty risk? A cloud on the horizon.

Coronavirus epidemic can push millions of people in poverty. The shortage of healthcare resources, lack of sanitation, and population compactness leads to an increase in communicable diseases, which may increase millions of people add in a vicious cycle of poverty. The study used the number of factors that affect poverty incidence in a panel of 76 countries for a period of 2010-2019.