194540    ナイロビ羊病ウイルス | 
Nairobi sheep disease virus | 
7 known hosts
 | 
12783     ナシブリスタキャンカーウイロイド | 
Pear blister canker viroid | 
2 known hosts
 | 
270256    ナス斑紋クリンクルウイルス | 
Eggplant mottled crinkle virus | 
1 known host
 | 
206160    ナポリ型サシチョウバエ熱ウイルス | 
Sandfly fever Naples virus | 
5 known hosts
 | 
3052225   ニパウイルス | 
Henipavirus nipahense | 
7 known hosts
 | 
11072     日本脳炎ウイルス | 
Japanese encephalitis virus | 
7 known hosts
 | 
644610    ニャマニニウイルス | 
Nyavirus nyamaniniense | 
5 known hosts
 | 
139270    ニューカッスル病ウイルスB1株 | 
Newcastle disease virus B1 | 
1 known host
 | 
331642    ニューベリー1ウイルス | 
Newbury agent 1 | 
2 known hosts
 | 
341671    鶏アデノ随伴ウイルス | 
Avian adeno-associated virus | 
1 known host
 | 
336960    鶏腎炎ウイルス1型 | 
Avian nephritis virus 1 | 
2 known hosts
 | 
11120     鶏伝染性気管支炎ウイルス | 
Infectious bronchitis virus | 
1 known host
 | 
10386     鶏伝染性喉頭気管炎ウイルス | 
Gallid alphaherpesvirus 1 | 
1 known host
 | 
10261     鶏痘ウイルス | 
Fowlpox virus | 
3 known hosts
 | 
11864     鶏白血病ウイルス | 
Avian leukosis virus | 
2 known hosts
 | 
12618     鶏貧血ウイルス | 
Chicken anemia virus | 
1 known host
 | 
66200     ニンジン黄化ウイルス | 
Carrot red leaf virus | 
2 known hosts
 | 
656190    ニンジン黄葉ウイルス | 
Carrot yellow leaf virus | 
1 known host
 | 
12433     ニンニクAウイルス | 
Garlic virus A | 
1 known host
 | 
12432     ニンニクBウイルス | 
Garlic virus B | 
1 known host
 | 
12431     ニンニクCウイルス | 
Garlic virus C | 
1 known host
 | 
12430     ニンニクDウイルス | 
Garlic virus D | 
1 known host
 | 
12458     ニンニク潜在ウイルス | 
Garlic latent virus | 
1 known host
 | 
11978     ネコカリシウイルス | 
Feline calicivirus | 
1 known host
 | 
11135     猫伝染性腹膜炎ウイルス | 
Feline infectious peritonitis virus | 
1 known host
 | 
478550    ネズミモチえそ輪紋ウイルス | 
Ligustrum necrotic ringspot virus | 
3 known hosts
 | 
1513196   ネッタイシマカデンソウイルス | 
Aedes aegypti densovirus 2 | 
1 known host
 | 
312009    ネメシア輪紋えそウイルス | 
Nemesia ring necrosis virus | 
4 known hosts
 | 
333348    ネリネXウイルス | 
Nerine virus X | 
4 known hosts
 | 
797075    ネリネ潜在ウイルス | 
Nerine latent virus | 
1 known host
 | 
10273     粘液腫ウイルス | 
Myxoma virus | 
2 known hosts
 | 
11983     ノーウォークウイルス | 
Norwalk virus | 
1 known host
 | 
37206     ノダムラウイルス | 
Helicoverpa armigera stunt virus | 
1 known host
 | 
157018    ノビルモザイクウイルス | 
Scallion mosaic virus | 
1 known host
 | 
122929    ノロウイルスGⅡ | 
Norovirus GII | 
1 known host
 | 
122928    ノロウイルスGI | 
Norovirus GI | 
1 known host
 |