On 19 March, Saudi Arabia suspended the holding of and the in and outside the two mosques in Mecca and Medina to limit the spread of coronavirus.
Between 2016 and 2018, vaccinations in the country quadrupled.
The economic expansion did not only lead to the development of hospitals for citizens but also care for the Kingdom's military.
The results of this survey demonstrated a necessity to develop a variety of techniques to analyse, define and meet the demand of particular groups.