A study on usability and design parameters in face mask: Concept design of UVW face mask for COVID-19 protection.

The aim of this study is to investigate the usability of conventional masks to prevent the transmission of coronavirus 2019 (COVID-19) and subsequently design the proposed concept of the mask to reduce leakage and increase efficiency. Acute respiratory syndrome COVID-19 is spreading around the world and can be transmitted from one person with COVID-19 to another through personal contact and breathing. Improper design of current masks can lead to virus transmission.

Sexual Violence in Women with HIV Positive Spouse and Their Mental Health.

Background: Sexual violence (SV) against women is one of the most important issues in women's health. We aimed to investigate the related variable for SV against women with HIV spouse and its relationship with mental problems in them.

Study Design: A cross-sectional study.