Skip to main content

"Natna hrik kai" leh "mi pakhat atanga mi dang kai theih natna" te hi eng nge an danglamna? (Infectious and Contagious Diseases) – Hemi chungchang hi han sawi ila!

"Natna hrik kai" leh "mi pakhat atanga mi dang kai theih natna" te hi eng nge an danglamna? (Infectious and Contagious Diseases) – Hemi chungchang hi han sawi ila!

A châng chuan heng thumal pahnih, ' infectious diseases ' leh ' contagious diseases' tih hi hriatthiam harsa i ti thei bawk. Mi thenkhat chuan heng pahnih hi a inang vek niin an ngai. Mahse a nihna takah chuan heng thumal pahnih awmzia hi a danglamna chiang tak a awm. Vawiin hian awlsam takin sawi ila, i hriatthiam theih tur angin, okay? Hei hi hriat hi nang leh i chhungte tan a pawimawh hle ang.

Chuti a nih chuan heng "natna hrik kai theihna" te hi engte nge ni?

A awlsam zawngin, natna hrik kai chu kan mit hmanga kan hmuh theih loh hrik te tak te , bacteria, virus, fungi , a nih loh leh parasite te, kan taksaa lut a, chutah chuan harsatna thlentu natna a ni. Heng hrik te hi kan taksaah lutin chutah chuan an pung (increase in size) a, natna hi a thlen thin.

Ngaihtuah teh, a chang chuan kan hriat lohva chaw bawlhhlawh kan ei emaw, tui bawlhhlawh kan in emaw, natna hrik thenkhat awmna boruak kan thawk emaw hian heng hmelma te te te hi hliam atang pawhin kan taksaah an lut thei a ni. Hetianga taksaa an luh chuan natna chi hrang hrang, khawsik, khuh, pum na te a lo awm thin.

Mahse hetah hian thil pawimawh tak chu natna hrik kai zawng zawng hi mi pakhat atanga mi dangah direct-a inkaichhawn vek a ni lo tih hi a ni. Natna hrik kai theih thenkhat, kawng dang hmanga kan vei te pawh a awm. Chumi chungchang chu tlem kan sawi leh ang.

Chuti a nih chuan "Contagious Diseases" tih hi eng nge ni?

Hetah hian a pawimawh ber chu. "Natna hrik kai" tih hi a takah chuan natna hrik kai chi khat a ni. Chu chu, a hmaa kan sawi tawh ang chiah natna hrik atanga lo chhuak a ni bawk tihna a ni.

Mahse thil danglam tak chu heng natna chi hrang hrangte hi mi pakhat atanga mi dangah direct emaw indirect emaw pawhin a darh thei a ni .

Entirna awlsam tak anga sawi chuan, pangpar sen zawng zawng hi pangpar ang maiin han ngaihtuah teh. Mahse pangpar zawng zawng hi a sen vek lo. Chu chu, mi pakhat atanga mi dang a kai theih natna chu inkaichhawn theih natna a ni tihna a ni. Mahse natna hrik kai zawng zawng hi mi pakhat atanga mi dang kai theih vek a ni lo. I hrethiam em?

Entirnan, common cold , influenza , measles, chickenpox , leh tunlai kan sawi mek, COVID-19.)` hi hetiang thil hi hri kai theih a ni. Khawsik nei mi i biak hnaih chuan, emaw, an hman handkerchief i khawih chuan i nei thei bawk a ni lawm ni? Hengte hi chutiang thil chu a ni.

Chuti a nih chuan, mi pakhat atanga mi dang kai theih loh "natna hrik kai" a awm em?

Ni e, an awm ngei ang. Hengte hi hrik vang pawh a ni a, mahse kut inthlak emaw, hnaih taka awm emaw avanga mi pakhat atanga mi dang hnenah direct-in a darh lo.

  • Rannung emaw, rulhut emaw atanga kai theih natna: 1.1.

Lyme natna hi han ngaihtuah teh. Rannung, rulhut ang chi a seh avanga lo awm a ni. Lyme natna vei ṭhian i biak emaw, i bula i awm emaw aṭangin natna hi i kai thei lo. Infected tick seh vang chauha kai darh a ni. Entirna dang chu Rabies hi a ni. Ui seh atanga kai a ni bawk a, rabies vei atanga midang hnenah awlsam taka kai theih a ni lo. Leptospirosis ang chi natna hi tui bawlhhlawh rat zun ang chi thil nena chawhpawlh in a darh thin.

  • Environment atanga kai theih natna: 1.1.

Entirna tha dang chu tetanus hi a ni. Hei hi lei leh leivut a bacteria awmte chu hliam atanga kan taksaa an luh hian a lo awm thin. Tetanus vei khawih emaw, biak emaw hmangin tetanus i vei thei lo.

Tunah chuan natna pakhat chu hrik kai theih ni mah se, mi pakhat atanga mi dangah a kai lo mai thei tih i hrethiam ta.

Engtin nge natna hrik kai theihte hi mi pakhat atanga mi dangah a darh?

Heng natnate hi mi pakhat a\angin kawng hrang hrangin a darh \hin. A kawng lian ber berte han thlir ila:

1. Direct contact hmangin:

Damlo khawih emaw, kut inthlak emaw, fawh emaw hmangin a darh thei a ni. Entirnan, vun natna thenkhat, vun natna leh khawsik te hi hetiang hian a darh thin.

2. Thli atanga chhuak droplet atang hian:

Hri kai chuan a khuh emaw, a hnim emaw, a thusawi ringawt emaw hian a hmui leh hnar atanga tui tla te te (kan mit hmuh theih loh khawpa te) te chu boruakah a lut thin. Heng droplet-ah hian natna thlentu hrik te hi a awm thei a ni. He boruak hi a bul hnaia miin a thawk a nih chuan an kai thei bawk. Hei hi khawsik, influenza, leh TB natna a darh dan a ni.

3. Thil bawlhhlawh emaw thil emaw khawih hmangin (Contaminated Surfaces/Objects - Fomites):

Damlo pakhatin a hman tawh thil, cup, plate, spoon, towel, toys, leh kawngkhar khar-ah te hian natna hrik a awm thei a ni. Mi hrisel chuan heng thilte hi a khawih a, chumi hnua mahni ka, hnar emaw, mit emaw a khawih chuan natna hrik chu an taksaah a lut thei a ni. ``Mononucleosis`` ("kissing disease" tia koh bawk), pum chhunga rulhut thenkhat ``Norovirus``, leh ``Athlete's foot``, kea fungal infection (bathroom floor atanga kai theih pawh) te chu hetiang hian a darh thin.

4. Mipat hmeichhiatna hmanna hmangin:

Natna thenkhat chu mipat hmeichhiatna atanga kai a ni. Hengte hi `(Sexually Transmitted Diseases - STDs)` emaw `(Sexually Transmitted Infections - STIs)` emaw kan ti a. Hengte hi mipat hmeichhiatna hmanna eng pawh hmanga kai theih a ni a, chu chu oral, anal emaw vaginal canal hmanga tih a ni. `(HIV)`, `(Gonorrhea)`, `(Syphilis)` te hi heng natna thenkhat te hi an ni.

5. Nu atanga Fate:

Natna hrik kai \henkhat chu naupai lai te, nau neih lai te, a nih loh leh nau hnute pek hmang te hian nu atanga naute dangah kai theih a ni.

Tunah chuan heng natna hrik kai theihte hi mi pakhat atanga mi dangah engzat nge a darh theih tih i hrethiam tawh mai thei.

Engvangin nge he danglamna hi hriat a pawimawh?

"Infectious" leh "contagious" inthlauhna hriat a pawimawh hle a, a chhan chu chutiang chuan natna darh zel tur venna atana hmalakna tur kan tih tur chu kan rel thei a ni.

I ṭhian pakhatin Lyme natna a vei niin han ngaihtuah teh. Tick-borne disease a ni tih i hria a, mahse mi pakhat atanga mi dangah direct-a kai theih a ni lo. Tichuan, a tanpui emaw, tlawh emaw hlauh tur i nei lo (a dik e, rulhut laka fimkhur a ngaihna hmunah chuan fimkhur tur a ni). Mahse, i ṭhianpa hian mi pakhat a\anga mi dangah awlsam taka kai theih natna, influenza ang chi a neih chuan, a hnena i kal emaw, i enkawl emaw hunah fimkhur hle a ngai a, chuti lo chuan natna chu i vei thei bawk. Chutiang hunah chuan damlo chu hun engemaw chen inhlat taka awmtir a, a thil hmante chu midangte hman tir loh a pawimawh.

Engtin nge heng natna hrik kai laka kan inven theih ang?

Vanneihthlak takin heng ang natna hrik kai laka kan invenna tur thil tam tak a awm a, a bik takin mi pakhat atanga mi dang a kai darh thin te hi a ni.

  • Kut sil fo la, uluk takin sil rawh: Hei hi thil pawimawh ber leh tih awlsam ber a ni . Sahbawn hnawih la, i kut chu second 20 tal uluk takin hnawih la, i kut zungtang inkar leh i nail hnuaiah pawh hnawih la, tui luang hnuaiah silfai rawh. Chaw ei hma te, chaw i buatsaih hma te, bathroom hman zawh te, damlo i khawih hnu te, rannung i khawih hnu te, i hnim hnu te, khuh hnuah te kut sil fo thin hi tih danah siam rawh.
  • I thawkna hriselna enkawl rawh: I khuh emaw, i thawk hah emaw hian i hmui leh hnar chu tissue emaw handkerchief emaw hmangin khuh thin ang che. A nih loh leh i elbow crook-ah cough/sneeze lut rawh. Tissue hman tawh chu bawlhhlawh bawmah paih nghal rawh. Tichuan i kut sil rawh.
  • Vaccine la rawh: Natna hrik kai hlauhawm tam tak laka invenna tha ber pakhat chu vaccine lak hi a ni. Heng vaccine te hian i taksa immune system chu natna do turin an training tir thin. Nang leh i fate chu an vaccine pek hun tur hriat reng tur a ni.
  • I damloh chuan in lamah awm rawh: Natna hrik kai theih, khawsik emaw, khawsik emaw i neih chuan a theih ang anga in lamah awm la, chu natna chu midangte hnena a darh loh nan.
  • Damlo lakah inthiarfihlim rawh: Mi pakhatin natna hrik kai theih a nei tih i hriat chuan a dam hma loh chuan anmahni nena in inzawmna hnai tak kha tihtlem la.
  • Mimal thil insem loh tur: Towel, razor, toothbrush, ei tur bungrua, etc. te chu midang hnenah insem suh .
  • Safe sex: STD laka inven nan safe sex tih fo thin ang che. Condom hman hi a pawimawh hle.
  • Environment thianghlim taka vawn: I chhehvel leh in chhung fai taka vawn hian natna tam tak a veng thei bawk.

Kan sawi tawh kha kan inhriat nawn tir dawn em ni?

Okay, chuvangin kan sawi tawh atang khan thupui ber berte chu han sawi nawn leh ila:

  • Infectious Disease: Natna hrik (e.g., `(Bacteria)`, `(Virus)`) taksaa a lut. Heng zawng zawng hi mi pakhat atanga mi dang kai theih vek a ni lo.
  • Contagious Disease: Hei hi natna hrik kai theih a ni bawk a, mahse mi pakhat atanga mi dangah a darh thei a ni. (Entirnan: Khawsik, `(Influenza)`).

Hriat reng tur: Natna kai theih reng reng chu kai theih a ni a, mahse natna hrik kai zawng zawng hi kai theih vek a ni lo.

A tawp berah chuan ka hrilh a ngai a ni... (Take-Home Message)

Tunah chuan "infectious" leh "contagious" inthlauhna hi i hrethiam zawk ngei ka beisei. He hriatna hian nang leh i chhungte leh i thiante hrisel taka awm turin a pui ang.

Hlau suh, fimkhur rawh. Hêng hrisêlna awlsam tak takte hi kan zawm vek chuan natna tam tak lakah kan invênhim thei a ni. Hriselna chungchangah rinhlelhna i neih chuan doctor pan a, thurawn lak theihnghilh suh. Hrisel takin awm rawh!


Natna hrik kai, natna hrik kai, hrik, hriselna, natna laka invenna, kut sil

⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

Comment a la awm lo. Hetah hian i comment hi a vawikhatna atan add rawh.

I comment kha add rawh

Khawngaihin chhut la: 8 + 4 =
"Natna hrik kai" leh "mi pakhat atanga mi dang kai theih natna" te hi eng nge an danglamna? (Infectious and Contagious Diseases) – Hemi chungchang hi han sawi ila!

"Natna hrik kai" leh "mi pakhat atanga mi dang kai theih natna" te hi eng nge an danglamna? (Infectious and Contagious Diseases) – Hemi chungchang hi han sawi ila!

A châng chuan heng thumal pahnih, ' infectious diseases ' leh ' contagious diseases' tih hi hriatthiam harsa i ti thei bawk. Mi thenkhat chuan heng pahnih hi a inang vek niin an ngai. Mahse a nihna takah chuan heng thumal pahnih awmzia hi a danglamna chiang tak a awm. Vawiin hian awlsam takin sawi ila, i hriatthiam theih tur angin, okay? Hei hi hriat hi nang leh i chhungte tan a pawimawh hle ang.

Chuti a nih chuan heng "natna hrik kai theihna" te hi engte nge ni?

A awlsam zawngin, natna hrik kai chu kan mit hmanga kan hmuh theih loh hrik te tak te , bacteria, virus, fungi , a nih loh leh parasite te, kan taksaa lut a, chutah chuan harsatna thlentu natna a ni. Heng hrik te hi kan taksaah lutin chutah chuan an pung (increase in size) a, natna hi a thlen thin.

Ngaihtuah teh, a chang chuan kan hriat lohva chaw bawlhhlawh kan ei emaw, tui bawlhhlawh kan in emaw, natna hrik thenkhat awmna boruak kan thawk emaw hian heng hmelma te te te hi hliam atang pawhin kan taksaah an lut thei a ni. Hetianga taksaa an luh chuan natna chi hrang hrang, khawsik, khuh, pum na te a lo awm thin.

Mahse hetah hian thil pawimawh tak chu natna hrik kai zawng zawng hi mi pakhat atanga mi dangah direct-a inkaichhawn vek a ni lo tih hi a ni. Natna hrik kai theih thenkhat, kawng dang hmanga kan vei te pawh a awm. Chumi chungchang chu tlem kan sawi leh ang.

Chuti a nih chuan "Contagious Diseases" tih hi eng nge ni?

Hetah hian a pawimawh ber chu. "Natna hrik kai" tih hi a takah chuan natna hrik kai chi khat a ni. Chu chu, a hmaa kan sawi tawh ang chiah natna hrik atanga lo chhuak a ni bawk tihna a ni.

Mahse thil danglam tak chu heng natna chi hrang hrangte hi mi pakhat atanga mi dangah direct emaw indirect emaw pawhin a darh thei a ni .

Entirna awlsam tak anga sawi chuan, pangpar sen zawng zawng hi pangpar ang maiin han ngaihtuah teh. Mahse pangpar zawng zawng hi a sen vek lo. Chu chu, mi pakhat atanga mi dang a kai theih natna chu inkaichhawn theih natna a ni tihna a ni. Mahse natna hrik kai zawng zawng hi mi pakhat atanga mi dang kai theih vek a ni lo. I hrethiam em?

Entirnan, common cold , influenza , measles, chickenpox , leh tunlai kan sawi mek, COVID-19.)` hi hetiang thil hi hri kai theih a ni. Khawsik nei mi i biak hnaih chuan, emaw, an hman handkerchief i khawih chuan i nei thei bawk a ni lawm ni? Hengte hi chutiang thil chu a ni.

Chuti a nih chuan, mi pakhat atanga mi dang kai theih loh "natna hrik kai" a awm em?

Ni e, an awm ngei ang. Hengte hi hrik vang pawh a ni a, mahse kut inthlak emaw, hnaih taka awm emaw avanga mi pakhat atanga mi dang hnenah direct-in a darh lo.

  • Rannung emaw, rulhut emaw atanga kai theih natna: 1.1.

Lyme natna hi han ngaihtuah teh. Rannung, rulhut ang chi a seh avanga lo awm a ni. Lyme natna vei ṭhian i biak emaw, i bula i awm emaw aṭangin natna hi i kai thei lo. Infected tick seh vang chauha kai darh a ni. Entirna dang chu Rabies hi a ni. Ui seh atanga kai a ni bawk a, rabies vei atanga midang hnenah awlsam taka kai theih a ni lo. Leptospirosis ang chi natna hi tui bawlhhlawh rat zun ang chi thil nena chawhpawlh in a darh thin.

  • Environment atanga kai theih natna: 1.1.

Entirna tha dang chu tetanus hi a ni. Hei hi lei leh leivut a bacteria awmte chu hliam atanga kan taksaa an luh hian a lo awm thin. Tetanus vei khawih emaw, biak emaw hmangin tetanus i vei thei lo.

Tunah chuan natna pakhat chu hrik kai theih ni mah se, mi pakhat atanga mi dangah a kai lo mai thei tih i hrethiam ta.

Engtin nge natna hrik kai theihte hi mi pakhat atanga mi dangah a darh?

Heng natnate hi mi pakhat a\angin kawng hrang hrangin a darh \hin. A kawng lian ber berte han thlir ila:

1. Direct contact hmangin:

Damlo khawih emaw, kut inthlak emaw, fawh emaw hmangin a darh thei a ni. Entirnan, vun natna thenkhat, vun natna leh khawsik te hi hetiang hian a darh thin.

2. Thli atanga chhuak droplet atang hian:

Hri kai chuan a khuh emaw, a hnim emaw, a thusawi ringawt emaw hian a hmui leh hnar atanga tui tla te te (kan mit hmuh theih loh khawpa te) te chu boruakah a lut thin. Heng droplet-ah hian natna thlentu hrik te hi a awm thei a ni. He boruak hi a bul hnaia miin a thawk a nih chuan an kai thei bawk. Hei hi khawsik, influenza, leh TB natna a darh dan a ni.

3. Thil bawlhhlawh emaw thil emaw khawih hmangin (Contaminated Surfaces/Objects - Fomites):

Damlo pakhatin a hman tawh thil, cup, plate, spoon, towel, toys, leh kawngkhar khar-ah te hian natna hrik a awm thei a ni. Mi hrisel chuan heng thilte hi a khawih a, chumi hnua mahni ka, hnar emaw, mit emaw a khawih chuan natna hrik chu an taksaah a lut thei a ni. ``Mononucleosis`` ("kissing disease" tia koh bawk), pum chhunga rulhut thenkhat ``Norovirus``, leh ``Athlete's foot``, kea fungal infection (bathroom floor atanga kai theih pawh) te chu hetiang hian a darh thin.

4. Mipat hmeichhiatna hmanna hmangin:

Natna thenkhat chu mipat hmeichhiatna atanga kai a ni. Hengte hi `(Sexually Transmitted Diseases - STDs)` emaw `(Sexually Transmitted Infections - STIs)` emaw kan ti a. Hengte hi mipat hmeichhiatna hmanna eng pawh hmanga kai theih a ni a, chu chu oral, anal emaw vaginal canal hmanga tih a ni. `(HIV)`, `(Gonorrhea)`, `(Syphilis)` te hi heng natna thenkhat te hi an ni.

5. Nu atanga Fate:

Natna hrik kai \henkhat chu naupai lai te, nau neih lai te, a nih loh leh nau hnute pek hmang te hian nu atanga naute dangah kai theih a ni.

Tunah chuan heng natna hrik kai theihte hi mi pakhat atanga mi dangah engzat nge a darh theih tih i hrethiam tawh mai thei.

Engvangin nge he danglamna hi hriat a pawimawh?

"Infectious" leh "contagious" inthlauhna hriat a pawimawh hle a, a chhan chu chutiang chuan natna darh zel tur venna atana hmalakna tur kan tih tur chu kan rel thei a ni.

I ṭhian pakhatin Lyme natna a vei niin han ngaihtuah teh. Tick-borne disease a ni tih i hria a, mahse mi pakhat atanga mi dangah direct-a kai theih a ni lo. Tichuan, a tanpui emaw, tlawh emaw hlauh tur i nei lo (a dik e, rulhut laka fimkhur a ngaihna hmunah chuan fimkhur tur a ni). Mahse, i ṭhianpa hian mi pakhat a\anga mi dangah awlsam taka kai theih natna, influenza ang chi a neih chuan, a hnena i kal emaw, i enkawl emaw hunah fimkhur hle a ngai a, chuti lo chuan natna chu i vei thei bawk. Chutiang hunah chuan damlo chu hun engemaw chen inhlat taka awmtir a, a thil hmante chu midangte hman tir loh a pawimawh.

Engtin nge heng natna hrik kai laka kan inven theih ang?

Vanneihthlak takin heng ang natna hrik kai laka kan invenna tur thil tam tak a awm a, a bik takin mi pakhat atanga mi dang a kai darh thin te hi a ni.

  • Kut sil fo la, uluk takin sil rawh: Hei hi thil pawimawh ber leh tih awlsam ber a ni . Sahbawn hnawih la, i kut chu second 20 tal uluk takin hnawih la, i kut zungtang inkar leh i nail hnuaiah pawh hnawih la, tui luang hnuaiah silfai rawh. Chaw ei hma te, chaw i buatsaih hma te, bathroom hman zawh te, damlo i khawih hnu te, rannung i khawih hnu te, i hnim hnu te, khuh hnuah te kut sil fo thin hi tih danah siam rawh.
  • I thawkna hriselna enkawl rawh: I khuh emaw, i thawk hah emaw hian i hmui leh hnar chu tissue emaw handkerchief emaw hmangin khuh thin ang che. A nih loh leh i elbow crook-ah cough/sneeze lut rawh. Tissue hman tawh chu bawlhhlawh bawmah paih nghal rawh. Tichuan i kut sil rawh.
  • Vaccine la rawh: Natna hrik kai hlauhawm tam tak laka invenna tha ber pakhat chu vaccine lak hi a ni. Heng vaccine te hian i taksa immune system chu natna do turin an training tir thin. Nang leh i fate chu an vaccine pek hun tur hriat reng tur a ni.
  • I damloh chuan in lamah awm rawh: Natna hrik kai theih, khawsik emaw, khawsik emaw i neih chuan a theih ang anga in lamah awm la, chu natna chu midangte hnena a darh loh nan.
  • Damlo lakah inthiarfihlim rawh: Mi pakhatin natna hrik kai theih a nei tih i hriat chuan a dam hma loh chuan anmahni nena in inzawmna hnai tak kha tihtlem la.
  • Mimal thil insem loh tur: Towel, razor, toothbrush, ei tur bungrua, etc. te chu midang hnenah insem suh .
  • Safe sex: STD laka inven nan safe sex tih fo thin ang che. Condom hman hi a pawimawh hle.
  • Environment thianghlim taka vawn: I chhehvel leh in chhung fai taka vawn hian natna tam tak a veng thei bawk.

Kan sawi tawh kha kan inhriat nawn tir dawn em ni?

Okay, chuvangin kan sawi tawh atang khan thupui ber berte chu han sawi nawn leh ila:

  • Infectious Disease: Natna hrik (e.g., `(Bacteria)`, `(Virus)`) taksaa a lut. Heng zawng zawng hi mi pakhat atanga mi dang kai theih vek a ni lo.
  • Contagious Disease: Hei hi natna hrik kai theih a ni bawk a, mahse mi pakhat atanga mi dangah a darh thei a ni. (Entirnan: Khawsik, `(Influenza)`).

Hriat reng tur: Natna kai theih reng reng chu kai theih a ni a, mahse natna hrik kai zawng zawng hi kai theih vek a ni lo.

A tawp berah chuan ka hrilh a ngai a ni... (Take-Home Message)

Tunah chuan "infectious" leh "contagious" inthlauhna hi i hrethiam zawk ngei ka beisei. He hriatna hian nang leh i chhungte leh i thiante hrisel taka awm turin a pui ang.

Hlau suh, fimkhur rawh. Hêng hrisêlna awlsam tak takte hi kan zawm vek chuan natna tam tak lakah kan invênhim thei a ni. Hriselna chungchangah rinhlelhna i neih chuan doctor pan a, thurawn lak theihnghilh suh. Hrisel takin awm rawh!


Natna hrik kai, natna hrik kai, hrik, hriselna, natna laka invenna, kut sil

⚠️ Important: The medical articles and information on Nirogi Lanka are for general awareness only, and are by no means a substitute for professional medical advice, diagnosis, or treatment. For any medical problem you have, consult a qualified physician immediately.

💬 Comments (0)

Comment a la awm lo. Hetah hian i comment hi a vawikhatna atan add rawh.

I comment kha add rawh

Khawngaihin chhut la: 8 + 4 =