According to the World Health Organization (WHO), in June 3, 2021, there were 171,292,827 confirmed coronavirus disease (COVID-19) cases and 3,687,589 deaths. In addition, by June 2, 2021, a total of 1,581,509,628 vaccine doses had been administered worldwide (). Currently, there is no specific drug for effective and final treatment. Existing vaccines may not be effective against some variants of severe acute respiratory syndrome coronavirus 2. However, vaccine uptake is still low in most countries, and we are not sure […]

COVID-19 and tourism activity: protocols for domestic reopening According to UNWTO data (), the pandemic led to a reduction of approximately 57% in international arrivals in March and a consequent total halt in the following two months, with a reduction of 850 million to 1.1 billion international travels. It may represent a loss of $ 910 billion to US $ 1.2 trillion in export revenues in addition to the closure of direct tourism jobs with a dismissal of 100 to […]