Employees of a shopping mall receive COVID-19 vaccine in Farwaniya Governorate, Kuwait, May 9, 2021. Kuwait launched on Sunday the second phase of the COVID-19 field vaccination campaign that provides vaccines for workers of shopping malls in the country. (Photo by Asad/Xinhua)

Employees of a shopping mall sit in distance while waiting to receive COVID-19 vaccine in Farwaniya Governorate, Kuwait, May 9, 2021. Kuwait launched on Sunday the second phase of the COVID-19 field vaccination campaign that provides vaccines for workers of shopping malls in the country. (Photo by Asad/Xinhua)

An employee of a shopping mall receives COVID-19 vaccine in Farwaniya Governorate, Kuwait, May 9, 2021. Kuwait launched on Sunday the second phase of the COVID-19 field vaccination campaign that provides vaccines for workers of shopping malls in the country. (Photo by Asad/Xinhua)

An employee of a shopping mall receives COVID-19 vaccine in Farwaniya Governorate, Kuwait, May 9, 2021. Kuwait launched on Sunday the second phase of the COVID-19 field vaccination campaign that provides vaccines for workers of shopping malls in the country. (Photo by Asad/Xinhua)

An employee of a shopping mall receives COVID-19 vaccine in Farwaniya Governorate, Kuwait, May 9, 2021. Kuwait launched on Sunday the second phase of the COVID-19 field vaccination campaign that provides vaccines for workers of shopping malls in the country. (Photo by Asad/Xinhua)

Employees of a shopping mall queue up to receive COVID-19 vaccine in Farwaniya Governorate, Kuwait, May 9, 2021. Kuwait launched on Sunday the second phase of the COVID-19 field vaccination campaign that provides vaccines for workers of shopping malls in the country. (Photo by Asad/Xinhua)