Eusina
A virus éta a mikroorganisme anu nyababkeun béda-béda panyakit. Éta dicirikeun ku diwangun ku bahan genetik di jero sareng ditutupan ku sanyawa protéin. Karakteristik virus nyaéta aranjeunna lebet kana tengah sél teras baranahan di jerona. Ukuran virus beda-beda antara 20 sareng 500 millimicras.
Aranjeunna aya, sakitar 5000 virus dicirikeun. Nanging, virus tiasa ngarobih (mutasi) matérial genetik na, ngahasilkeun virus atanapi virus énggal anu langkung tahan tibatan anu sateuacanna. Ieu ngandung harti yén unggal virus nyebar atanapi baranahan dina ayana sél anu parantos diserang, janten virus anu terasing henteu tiasa baranahan sareng tiasa maot.
Sababaraha virus mangaruhan hiji spésiés, sedengkeun anu sanés tiasa mangaruhan sababaraha. Tingkat parna (tingkat maotna) virus bakal aya hubunganana sareng pangubaran (anu kapendak atanapi henteu) tina virus. Maka aya virus anu teu tiasa dianggap maut ayeuna, sapertos virus mumps, sedengkeun anu sanésna, masih tanpa ubar anu jelas, dianggap maut, sapertos HIV (virus AIDS).
Di sisi anu sanésna, penting pikeun netelakeun yén unggal organisme merangan virus ku dimana sélna katépaan. Kaayaan sistem imun tina mahluk hirup kapangaruhan, bakal merangan virus. Langkung saé kaayaan imunitas, langkung seueur alat pikeun merangan (kalayan antibodi) virus. Antibodi ieu aya dina getih sareng disebat limfosit.
- Tingali ogé: Bakteri.
Conto virus
- Adenovirus
- Arbovirus (éncephalitis)
- Arenaviridae
- Baculoviridae
- Kompleks viral LCM-Lassa (Old Continent arenavirus)
- Kompléks viral Tacaribe (New World arenavirus)
- Cytomegalovirus
- Flavivirus konéng (muriang konéng)
- Flu a
- H1N2, endemik di manusa sareng babi.
- H2N2, jawab flu Asia di 1957.
- H3N2, anu nyababkeun flu Hong Kong di 1968.
- H5N1, jawab ancaman pandemi taun 2007-08.
- H7N7, anu ngagaduhan poténsi zoonotic mahiwal33.
- Hantaan (muriang hemorrhagic Koréa)
- Hepatitis A, B, C
- Hérpes simplex (herpes simplex)
- Virus herpes simplex tipe 1 sareng 2
- Hérpesvirus manusa 7
- Herpesvirus manusa 8 (HHV-8)
- Herpesvirus simiae (virus B)
- Hérpesvirus varicella-zoster
- Megavirus cilensis
- Gumpalan Myxovirus (Gondong)
- Kompleks Viral LCM-Lassa séjén
- Papillomaviridae (Papillomas)
- Papovavirus (papillomavirus manusa)
- Paramyxoviridae:
- Gondong (gondong)
- Parvovirus (Canine Parvovirus)
- Parvovirus manusa (B 19)
- Picornaviridae
- Poliovirus (Poliomyelitis)
- Poxvirus (virus panyakit molluscum nular)
- Rhinovirus
- Rotavirus
- SARS
- Virus Variola (Cacar)
- HIV (Virus Kekebalan Manusa)
- Virus Belgrade (atanapi Dobrava)
- Virus Bhanja
- Virus BK sareng JC
- Virus Bunyamwera
- Virus Coxsackie
- Virus Epstein-Barr
- Virus konjungtivitis hemorrhagic (AHC)
- Virus choriomeningitis limfositik (galur sanés)
- Virus choriomeningitis limfositik (galur neurotropik)
- Virus éncephalitis California
- Virus panyakit Newcastle
- Influenza (influenza) virus tipe A, B, sareng C
- Virus Hepatitis A (jinis enterovirus manusa 72)
- Virus parainfluenza jinis 1 dugi ka 4
- Virus Varicella Zoster (Varicella)
- Virus gondong
- Virus Lassa
- Virus campak
- Virus Dhori sareng Thogoto
- Virus kamandang
- Virus Flexal
- Virus Germiston
- Virus Guanarito
- Virus Junin
- Virus limfotropika manusa B (HBLV-HHV6)
- Virus Machupo
- Virus Mopeia
- Virus Oropouche
- Virus Hill Prospect
- Virus puumala
- virus sinsisial parnapasan
- Virus Sabia
- Virus Seoul
- Virus henteu namina (baheulana Muerto Canyon)
