Papua New Guinea
Samoa
Solomon Islands
Vanuatu

They join a growing list of eliminated countries that were previously eliminated:
Afghanistan
American Samoa
Bangladesh
Bhutan
Brunei
Cambodia
Chinese Taipei
Cook Islands
Eritrea
Guam
Hong Kong
India
Laos
Lebanon
Macau
Malaysia
Maldives
Mongolia
Myanmar
Nepal
Pakistan
Philippines
Singapore
Sri Lanka
Syria
Tajikistan
Thailand
Timor-Leste
Tonga
Turkmenistan
Turks & Caicos Islands
U.S. Virgin Islands
Vietnam
Yemen