Here are a few countries, some of them on Islands that have not reported any cases of the corona virus so far: Most of these countries have very small population compared to Uganda that has about fort million people.
Comoros—– about 832,000
Kiribati—- 115,000
Lesotho—- approximately 2 Million pple
Marshall Islands—– 58,000
Micronesia—- about 112,000
Nauru—– about 12,000
North Korea— about 25M Pple
Palau—— about 17,000
Samoa—— about 194,000
Sao Tome and Principe——- about 211,000
Solomon Islands——- approximately 652,000
Tajikistan—— 9 million
Tonga—– 103,000
Turkmenistan——- about 6 million
Tuvalu—- about 10,000
Vanuatu—— about 292,000 END