Migrants, some wearing masks for protection aganst the COVID-19 infection, speak outside the Miral camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)

Migrants stand outside the Miral camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)

Migrants walk outside the Miral camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)

Migrants walk inside the Miral camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)

A police officer stands outside the the Miral migrants camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)

An ambulance exits the Miral migrant camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)

A migrant sits on the pavement to warm up outside the Miral camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)

A migrant sits on the pavement to warm up outside the Miral camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)

A migrant man walks outside the Miral camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)

A migrant man dries his belongings outside the Miral camp, in Velika Kladusa, Bosnia, Wednesday, April 7, 2021. Bosnia is seeing a rise in coronavirus infections among migrants and refugees living in its camps, as it struggles to cope with one of the Balkans' highest COVID-19 death and infection rates among the general population.(AP Photo/Davor Midzic)