Abstract In this work, we propose a new dynamic mathematical model framework governed by a system of differential equations that integrates both COVID-19 and cholera outbreaks.The estimations of Collections the model parameters are based on the outbreaks of COVID-19 and cholera in Yemen from January 1, 2020 to May 30, 2020.Moreover, we present an o
Clean and safe water is a fundamental requirement for human survival and well-being.The destruction of civilian infrastructure during wars or natural disasters can severely limit access to clean water for the local population, military, rescue workers and volunteers.The objective of the study was the evaluation of the efficiency of fresh water disi
Background Even though majority of Exterior Protection parents vaccinate their children vaccine hesitancy VH has grown in popularity.It is unclear how this vaccination reluctance culture came to be and how it affects parents decisions regarding immunization schedule.Objectives The present study was conducted to identify the socio-economic and demog