A comprehensive health effects assessment of the use of sanitizers and disinfectants during COVID-19 pandemic: a global survey.

COVID-19 has affected all aspects of human life so far. From the outset of the pandemic, preventing the spread of COVID-19 through the observance of health protocols, especially the use of sanitizers and disinfectants was given more attention. Despite the effectiveness of disinfection chemicals in controlling and preventing COVID-19, there are critical concerns about their adverse effects on human health.

Safety of Pfizer-BioNTech vaccine in a cohort of healthcare providers: Differences between naïve and previously infected by SARS-CoV-2.

Introduction: The Spanish Society of Immunology recently warned that a history of past COVID-19 could result in a higher incidence of adverse events (AEs) related to vaccination. We set out to analyze whether there were any differences in AEs between healthcare workers vaccinated for COVID-19 (either after the first or second dose) who had had a prior diagnosis SARS-CoV-2 infection at any time compared to those who had not had COVID-19 before vaccination.

Methods: This was a retrospective cohort study in a population of healthcare workers.

Impact in children under the age of one of Tdap vaccination programme on pregnant women in Castelló.

Introduction: The objective was to compare incidence rates of pertussis in children under the age of one in Castelló, before and after the introduction of vaccination of pregnant women in January 2015.

Methods: The incidence of the post-vaccine period (2015-2018) was compared with the pre-vaccine period (2011-2014) in all ages, in children from 3 to 11 months and under 3 months. The relative risks and their 95% confidence intervals (95% CI) were calculated.