<s id="NEST_Infno.s1">Influensa gir feber og smerter i hele kroppen.</s> <s id="NEST_Inf_151en.s1">Influenza gives fever and pain in the entire body.</s>

<s id="NEST_Infno.s2">Vanligvis blir mellom fem og ti prosent av befolkningen syke i løpet av en vintersesong.</s> <s id="NEST_Inf_151en.s2">Usually between five and ten percent of the population get sick during the winter season.</s>

<s id="NEST_Infno.s3">Viruset kan enkelte år gi verdensomspennende epidemier med mange dødsfall og er derfor under nøye overvåkning.</s> <s id="NEST_Inf_151en.s3">The virus can some years cause world wide epidemics causing deaths and therefore it is under severe surveillance.</s>

<s id="NEST_Infno.s4">Faglig revidert: 26.06.2007.</s> <s id="NEST_Inf_151en.s4">Revised: 26.06.2007.</s>

<s id="NEST_Infno.s5">Lenker vedr. influensa A(H1N1) – svineinfluensa langt til 30.04.2009.</s> <s id="NEST_Inf_151en.s5">Links about influenza A (H1N1) – the swine flu added 30.4.2009.</s>

<s id="NEST_Inf_151en.s6">The paragraph treatment updated 27.1.2009.</s>

<s id="NEST_Infno.s6">Oppdatert avsnitt vaksine 22.12.2010.</s> <s id="NEST_Inf_151en.s7">Updated paragraph vaccine 22.12.2010.</s>

<s id="NEST_Infno.s7">Hvert år i perioden desember til april rammes befolkningen på den nordlige halvkule av smittsomme influensaepidemier.</s> <s id="NEST_Inf_151en.s8">Every year in the period from December to April the population in the Northern hemisphere are affected by contagious influenza epidemics.</s>

<s id="NEST_Infno.s8">Dette kalles sesonginfluensa.</s> <s id="NEST_Inf_151en.s9">This is called seasonal influenza.</s>

<s id="NEST_Infno.s9">De vanligste influensatypene som gir epidemier, er type A og B.</s> <s id="NEST_Inf_151en.s10">The most common types of influenza that gives epidemics, are type A and B.</s>

<s id="NEST_Infno.s10">Nye varianter av type A og B kommer hvert år.</s> <s id="NEST_Inf_151en.s11">New varieties of type A and B comes every year.</s>

<s id="NEST_Infno.s11">Nye stammer får navn etter stedet hvor de først ble oppdaget, f.eks type A/Sydney.</s> <s id="NEST_Inf_151en.s12">New strains are named after the place they first were discovered, e.g. type A/Sydney.</s>

<s id="NEST_Infno.s12">Influensa kommer av det latinske ordet influere – flyte inn.</s> <s id="NEST_Inf_151en.s13">Influenza comes by the Latin word influens – inflowing.</s>

<s id="NEST_Infno.s13">Spesielt om influensa A(H1N1) – svineinfluensa, se rammen til høyre.</s> <s id="NEST_Inf_151en.s14">Specific about influenza A (H1N1) – the Swine flu, look at the right hand column.</s>

<s id="NEST_Infno.s14">Influensa A(H1N1) – svineinfluensa</s> <s id="NEST_Inf_151en.s15">Influenza A (H1N1) – swine flu.</s>

<s id="NEST_Infno.s15">- Se spørsmål og svar</s> <s id="NEST_Inf_151en.s16">* Questions and answers</s>

<s id="NEST_Infno.s16">- Se temaside</s> <s id="NEST_Inf_151en.s17">* Theme page</s>

<s id="NEST_Infno.s17">Fugleinfluensa</s> <s id="NEST_Inf_151en.s18">The Bird flu</s>

<s id="NEST_Infno.s18">Fugle-influensa smitter sjelden til mennesker.</s> <s id="NEST_Inf_151en.s19">The Bird flu seldom infects humans.</s>

<s id="NEST_Infno.s19">Men dersom det skjer, og disse menneskene samtidig smittes av vanlig influensa, kan infiserte celler i kroppen produsere en krysning mellom de to virusene.</s> <s id="NEST_Inf_151en.s20">But if that happens, and these people are at the same time also infected by common influenza, some infected cells in the body may produce a hybrid between the two viruses.</s>

<s id="NEST_Infno.s20">Da kan vi teoretisk få et nytt virus som få eller ingen er immune mot.</s> <s id="NEST_Inf_151en.s21">In theory that can give us a new virus which only few or none are immune.</s>

<s id="NEST_Infno.s21">Historie</s> <s id="NEST_Inf_151en.s22">History</s>

<s id="NEST_Infno.s22">Til sammen 18 verdensomfattende influensaepidemier er kjent fra historien.</s> <s id="NEST_Inf_151en.s23">All together there has been 18 influenza epidemics world wide known by history.</s>

<s id="NEST_Infno.s23">Den første pandemien ble beskrevet i 1580.</s> <s id="NEST_Inf_151en.s24">The first pandemic was described in 1580.</s>

<s id="NEST_Infno.s24">Den største var Spanskesyken i 1918-1919, som førte til 25-40 millioner dødsfall i verden.</s> <s id="NEST_Inf_151en.s25">The biggest was the Spanish flu in 1918-19, who killed 25-40 million people world wide.</s>

<s id="NEST_Infno.s25">I Norge døde ca. 15 000 personer.</s> <s id="NEST_Inf_151en.s26">In Norway about 15 000 persons died.</s>

<s id="NEST_Infno.s26">De to siste større pandemiene var Asiasyken i 1957 og Hong Kong-syken i 1968.</s> <s id="NEST_Inf_151en.s27">The last two bigger pandemics were the Asian flu in 1957 and the Hong-Kong flu in 1968.</s>

<s id="NEST_Infno.s27">Influensavirus av type A ble første gang påvist i 1933 og type B i 1940.</s> <s id="NEST_Inf_151en.s28">Influenza virus type A was first proven in 1933 and type B in 1940.</s>

<s id="NEST_Infno.s28">På slutten av 1940-tallet ble den første vaksinen utviklet.</s> <s id="NEST_Inf_151en.s29">By the end of the 1940s the first vaccine was developed.</s>

<s id="NEST_Infno.s29">Dråpe- og kontaktsmitte</s> <s id="NEST_Inf_151en.s30">Infection by droplets and by contact.</s>

<s id="NEST_Infno.s30">Influensa smitter hvis man puster inn dråper med influensavirus fra smittede personer som hoster eller nyser, såkalt nærdråpesmitte.</s> <s id="NEST_Inf_151en.s32">Influenza is transmitted through the air by coughs or sneezes from infected people, creating aerosols containing the virus.</s> <s id="NEST_Inf_151en.s33">This is so called droplet infection.</s>

<s id="NEST_Infno.s31">Man kan også smittes ved direkte kontakt.</s> <s id="NEST_Inf_151en.s34">One can also be infected by direct contact.</s>

<s id="NEST_Infno.s32">En liten smittedose er nok for å gi sykdom.</s> <s id="NEST_Inf_151en.s35">One small infected doze is enough make you sick.</s>

<s id="NEST_Infno.s33">Inkubasjonstiden fra smitte til symptomer er vanligvis to dager, men varierer fra en til tre dager.</s> <s id="NEST_Inf_151en.s36">The incubation time from the infection to the first symptoms is usually two days, but varies from one to three days.</s>

<s id="NEST_Infno.s34">Man er smitteførende fra den dagen symptomene viser seg og i tre-fem dager etterpå.</s> <s id="NEST_Inf_151en.s37">One is contagious from the first day of the symptoms and the next three to five days.</s>

<s id="NEST_Infno.s35">Når man har gjennomgått influensasykdom med én virusstamme, er man vanligvis immun i mange år etterpå mot denne stammen.</s> <s id="NEST_Inf_151en.s38">When you have gone through an influenza disease containing one strain of virus, you usually have an immunity towards this strain for many years to come.</s>

<s id="NEST_Infno.s36">Man kan også være immun mot lignende stammer, såkalt kryssimmunitet.</s> <s id="NEST_Inf_151en.s39">One can also have immunity towards other strains, so called cross-immunity.</s>

<s id="NEST_Infno.s1">Influensa gir feber og smerter i hele kroppen.</s>	<s id="NEST_Inf_151en.s1">Influenza gives fever and pain in the entire body.</s>
<s id="NEST_Infno.s2">Vanligvis blir mellom fem og ti prosent av befolkningen syke i løpet av en vintersesong.</s>	<s id="NEST_Inf_151en.s2">Usually between five and ten percent of the population get sick during the winter season.</s>
<s id="NEST_Infno.s3">Viruset kan enkelte år gi verdensomspennende epidemier med mange dødsfall og er derfor under nøye overvåkning.</s>	<s id="NEST_Inf_151en.s3">The virus can some years cause world wide epidemics causing deaths and therefore it is under severe surveillance.</s>
<s id="NEST_Infno.s4">Faglig revidert: 26.06.2007.</s>	<s id="NEST_Inf_151en.s4">Revised: 26.06.2007.</s>
<s id="NEST_Infno.s5">Lenker vedr. influensa A(H1N1) – svineinfluensa langt til 30.04.2009.</s>	<s id="NEST_Inf_151en.s5">Links about influenza A (H1N1) – the swine flu added 30.4.2009.</s>
	<s id="NEST_Inf_151en.s6">The paragraph treatment updated 27.1.2009.</s>
<s id="NEST_Infno.s6">Oppdatert avsnitt vaksine 22.12.2010.</s>	<s id="NEST_Inf_151en.s7">Updated paragraph vaccine 22.12.2010.</s>
<s id="NEST_Infno.s7">Hvert år i perioden desember til april rammes befolkningen på den nordlige halvkule av smittsomme influensaepidemier.</s>	<s id="NEST_Inf_151en.s8">Every year in the period from December to April the population in the Northern hemisphere are affected by contagious influenza epidemics.</s>
<s id="NEST_Infno.s8">Dette kalles sesonginfluensa.</s>	<s id="NEST_Inf_151en.s9">This is called seasonal influenza.</s>
<s id="NEST_Infno.s9">De vanligste influensatypene som gir epidemier, er type A og B.</s>	<s id="NEST_Inf_151en.s10">The most common types of influenza that gives epidemics, are type A and B.</s>
<s id="NEST_Infno.s10">Nye varianter av type A og B kommer hvert år.</s>	<s id="NEST_Inf_151en.s11">New varieties of type A and B comes every year.</s>
<s id="NEST_Infno.s11">Nye stammer får navn etter stedet hvor de først ble oppdaget, f.eks type A/Sydney.</s>	<s id="NEST_Inf_151en.s12">New strains are named after the place they first were discovered, e.g. type A/Sydney.</s>
<s id="NEST_Infno.s12">Influensa kommer av det latinske ordet influere – flyte inn.</s>	<s id="NEST_Inf_151en.s13">Influenza comes by the Latin word influens – inflowing.</s>
<s id="NEST_Infno.s13">Spesielt om influensa A(H1N1) – svineinfluensa, se rammen til høyre.</s>	<s id="NEST_Inf_151en.s14">Specific about influenza A (H1N1) – the Swine flu, look at the right hand column.</s>
<s id="NEST_Infno.s14">Influensa A(H1N1) – svineinfluensa</s>	<s id="NEST_Inf_151en.s15">Influenza A (H1N1) – swine flu.</s>
<s id="NEST_Infno.s15">- Se spørsmål og svar</s>	<s id="NEST_Inf_151en.s16">* Questions and answers</s>
<s id="NEST_Infno.s16">- Se temaside</s>	<s id="NEST_Inf_151en.s17">* Theme page</s>
<s id="NEST_Infno.s17">Fugleinfluensa</s>	<s id="NEST_Inf_151en.s18">The Bird flu</s>
<s id="NEST_Infno.s18">Fugle-influensa smitter sjelden til mennesker.</s>	<s id="NEST_Inf_151en.s19">The Bird flu seldom infects humans.</s>
<s id="NEST_Infno.s19">Men dersom det skjer, og disse menneskene samtidig smittes av vanlig influensa, kan infiserte celler i kroppen produsere en krysning mellom de to virusene.</s>	<s id="NEST_Inf_151en.s20">But if that happens, and these people are at the same time also infected by common influenza, some infected cells in the body may produce a hybrid between the two viruses.</s>
<s id="NEST_Infno.s20">Da kan vi teoretisk få et nytt virus som få eller ingen er immune mot.</s>	<s id="NEST_Inf_151en.s21">In theory that can give us a new virus which only few or none are immune.</s>
<s id="NEST_Infno.s21">Historie</s>	<s id="NEST_Inf_151en.s22">History</s>
<s id="NEST_Infno.s22">Til sammen 18 verdensomfattende influensaepidemier er kjent fra historien.</s>	<s id="NEST_Inf_151en.s23">All together there has been 18 influenza epidemics world wide known by history.</s>
<s id="NEST_Infno.s23">Den første pandemien ble beskrevet i 1580.</s>	<s id="NEST_Inf_151en.s24">The first pandemic was described in 1580.</s>
<s id="NEST_Infno.s24">Den største var Spanskesyken i 1918-1919, som førte til 25-40 millioner dødsfall i verden.</s>	<s id="NEST_Inf_151en.s25">The biggest was the Spanish flu in 1918-19, who killed 25-40 million people world wide.</s>
<s id="NEST_Infno.s25">I Norge døde ca. 15 000 personer.</s>	<s id="NEST_Inf_151en.s26">In Norway about 15 000 persons died.</s>
<s id="NEST_Infno.s26">De to siste større pandemiene var Asiasyken i 1957 og Hong Kong-syken i 1968.</s>	<s id="NEST_Inf_151en.s27">The last two bigger pandemics were the Asian flu in 1957 and the Hong-Kong flu in 1968.</s>
<s id="NEST_Infno.s27">Influensavirus av type A ble første gang påvist i 1933 og type B i 1940.</s>	<s id="NEST_Inf_151en.s28">Influenza virus type A was first proven in 1933 and type B in 1940.</s>
<s id="NEST_Infno.s28">På slutten av 1940-tallet ble den første vaksinen utviklet.</s>	<s id="NEST_Inf_151en.s29">By the end of the 1940s the first vaccine was developed.</s>
<s id="NEST_Infno.s29">Dråpe- og kontaktsmitte</s>	<s id="NEST_Inf_151en.s30">Infection by droplets and by contact.</s>
<s id="NEST_Infno.s30">Influensa smitter hvis man puster inn dråper med influensavirus fra smittede personer som hoster eller nyser, såkalt nærdråpesmitte.</s>	<s id="NEST_Inf_151en.s32">Influenza is transmitted through the air by coughs or sneezes from infected people, creating aerosols containing the virus.</s> <s id="NEST_Inf_151en.s33">This is so called droplet infection.</s>
<s id="NEST_Infno.s31">Man kan også smittes ved direkte kontakt.</s>	<s id="NEST_Inf_151en.s34">One can also be infected by direct contact.</s>
<s id="NEST_Infno.s32">En liten smittedose er nok for å gi sykdom.</s>	<s id="NEST_Inf_151en.s35">One small infected doze is enough make you sick.</s>
<s id="NEST_Infno.s33">Inkubasjonstiden fra smitte til symptomer er vanligvis to dager, men varierer fra en til tre dager.</s>	<s id="NEST_Inf_151en.s36">The incubation time from the infection to the first symptoms is usually two days, but varies from one to three days.</s>
<s id="NEST_Infno.s34">Man er smitteførende fra den dagen symptomene viser seg og i tre-fem dager etterpå.</s>	<s id="NEST_Inf_151en.s37">One is contagious from the first day of the symptoms and the next three to five days.</s>
<s id="NEST_Infno.s35">Når man har gjennomgått influensasykdom med én virusstamme, er man vanligvis immun i mange år etterpå mot denne stammen.</s>	<s id="NEST_Inf_151en.s38">When you have gone through an influenza disease containing one strain of virus, you usually have an immunity towards this strain for many years to come.</s>
<s id="NEST_Infno.s36">Man kan også være immun mot lignende stammer, såkalt kryssimmunitet.</s>	<s id="NEST_Inf_151en.s39">One can also have immunity towards other strains, so called cross-immunity.</s>