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Tovuti hii inatekeleza vipengele vya msingi kwa sasa na bado haiko tayari kwa matumizi ya wagonjwa.

Chanjo ya Homa ya Manjano: Kila Kitu Wasafiri Wanahitaji Kujua mwaka 2026

1 Machi 20267 dakNa Medova
Evidence basis
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Homa ya ManjanoAfya ya UsafiriChanjo

Chanjo ya Homa ya Manjano: Kila Kitu Wasafiri Wanahitaji Kujua mwaka 2026

Homa ya manjano bado ni moja ya hatari kubwa zaidi za kiafya kwa wasafiri wanaokwenda maeneo ya tropiki ya Afrika na Amerika Kusini. Tofauti na chanjo nyingi za usafiri ambazo zinapendekezwa tu, chanjo ya homa ya manjano inahitajika kisheria kuingia nchi nyingi. Mwongozo huu unashughulikia kila kitu ambacho kila msafiri anapaswa kujua — kuanzia nani anahitaji chanjo hadi jinsi International Certificate of Vaccination inavyofanya kazi kwenye udhibiti wa mpaka.

Homa ya manjano ni nini?

Homa ya manjano ni ugonjwa mkali wa virusi unaosababisha kutoka damu, unaoenezwa na mbu wa Aedes na Haemagogus walioambukizwa. Ugonjwa huu ni wa kawaida katika maeneo ya tropiki ya Afrika na Amerika Kusini, na inakadiriwa kesi 200,000 na vifo 30,000 kila mwaka ulimwenguni. Jina la ugonjwa linatokana na hali ya njano (ngozi na macho kuwa ya njano) inayoathiri wagonjwa wengine. Ingawa maambukizi mengi ni madogo, kesi kali zinaweza kusababisha homa kali, kutoka damu, mshtuko, kushindwa kwa viungo, na kifo. Hakuna tiba maalum ya kupambana na virusi — kuzuia kupitia chanjo ndiyo hatua bora zaidi.

Nchi zinazohitaji chanjo ya homa ya manjano

Nchi zifuatazo zinahitaji uthibitisho wa chanjo ya homa ya manjano kwa wasafiri wote wanaotoka maeneo yenye ugonjwa, na nyingi zinazihitajia wasafiri wote bila kujali nchi ya asili:

Afrika

Angola, Burkina Faso, Burundi, Kameruni, Jamhuri ya Afrika ya Kati, Chad, Kongo (Jamhuri), Kongo (DRC), Guinea ya Ikweta, Ethiopia, Gabon, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, Liberia, Mali, Mauritania, Niger, Nigeria, Rwanda, Senegal, Sierra Leone, Sudan Kusini, Togo, Uganda

Amerika Kusini

Bolivia, Brazili (Amazonia na majimbo fulani), Kolombia, Ekuador, Guiana ya Ufaransa, Guyana, Panama, Paraguay, Peru, Suriname, Trinidad na Tobago, Venezuela

Inapendekezwa lakini haihitajiki

Hata wakati haihitajiki kisheria, chanjo inapendekezwa sana kwa usafiri kwenda eneo lolote ambapo virusi vya homa ya manjano vinaenea. Nchi nyingine zinahitaji uthibitisho tu ukitoka nchi yenye ugonjwa (sheria za kupita zinatumika). Angalia kila wakati masharti ya hivi karibuni ya kuingia kwa ratiba yako maalum ya usafiri, ikiwa ni pamoja na maeneo ya kupita.

Maelezo ya chanjo

Maelezo ya chanjo

Aina

Virusi hai iliyopunguzwa nguvu (aina ya 17D)

Dozi

Dozi moja (sindano ya chini ya ngozi)

Kuanza kwa ulinzi

Siku 10 baada ya chanjo

Muda wa ulinzi

Maisha yote (marekebisho ya WHO 2013 — dozi moja inatosha)

Umri wa chini

Miezi 9 (miezi 6 katika hali ya mlipuko)

Vikwazo

Watu wenye kinga dhaifu, mzio mkubwa wa mayai, watoto chini ya miezi 6, wajawazito (isipokuwa hatari kubwa), matatizo ya tezi ya thymus

Madhara

Chanjo ya homa ya manjano kwa ujumla inavumiliwa vizuri. Madhara mengi ni madogo na hupotea ndani ya siku chache:

Ya kawaida

  • Maumivu madogo ya kichwa (10–30% ya wapokeaji)
  • Homa ya chini (hadi 38°C) kwa siku 1–2
  • Maumivu ya misuli au maumivu mahali pa sindano
  • Uchovu au kujisikia vibaya kwa ujumla

Nadra

  • Ugonjwa wa viungo unaohusiana na chanjo ya homa ya manjano (YEL-AVD) — kushindwa kwa viungo kwa hatari, ~1 kati ya 250,000 dozi
  • Ugonjwa wa neva unaohusiana na chanjo ya homa ya manjano (YEL-AND) — uvimbe wa ubongo, ~1 kati ya 125,000 dozi

Cheti cha Kimataifa cha Chanjo (ICV)

Baada ya chanjo, utapokea Cheti cha Kimataifa cha Chanjo au Kinga (ICVP), kinachojulikana kama "kadi ya njano". Hati hii ya viwango vya WHO inakuwa halali siku 10 baada ya chanjo na sasa inachukuliwa kuwa halali maisha yote (awali ilikuwa na kikomo cha miaka 10). Maafisa wa udhibiti wa mpaka katika nchi zenye ugonjwa watakagua cheti hiki unapowasili. Kiweke pamoja na pasipoti yako wakati wote wa usafiri. Ukikipoteza, unaweza kuhitajika kuchanjwa tena mahali pa kuingia au kukataliwa kuingia.

Vidokezo vya vitendo kwa wasafiri

Vidokezo vya vitendo kwa wasafiri

  • Panga miadi ya chanjo wiki 4–6 kabla ya usafiri ili kuhakikisha ulinzi kamili kabla ya kuondoka.
  • Lete rekodi yako ya chanjo iliyopo (kadi ya njano) kwenye miadi ikiwa unayo.
  • Weka kadi ya njano pamoja na pasipoti yako — utahitaji kwenye uhamiaji, si katika mizigo iliyochekiwa.
  • Angalia kama nchi za kupitia pia zinahitaji uthibitisho wa chanjo, hata kwa maegesho mafupi.
  • Chanjo inapatikana tu katika vituo vilivyoteuliwa vya chanjo ya homa ya manjano — si kila kliniki au duka la dawa linaitoa.
  • Ikiwa una mzio wa mayai au hali za kinga, jadili njia mbadala na mtaalamu wa afya ya usafiri.

Kanusho la kimatibabu

Makala hii ni kwa madhumuni ya habari tu na sio ushauri wa kimatibabu. Masharti na mapendekezo ya chanjo ya homa ya manjano hubadilika mara kwa mara. Kila wakati wasiliana na mtoa huduma za afya aliyestahili au mtaalamu wa afya ya usafiri kwa mwongozo binafsi kabla ya safari yako. Tembelea tovuti za WHO au CDC kwa masharti ya hivi karibuni kwa kila nchi.

FAQ

Is the yellow fever vaccine required for travel?

Yes — over 40 countries in Africa and South America require proof of yellow fever vaccination (International Certificate of Vaccination or Prophylaxis) for entry. Some countries require it for all travelers, others only for those arriving from endemic areas. Check your destination's specific requirements at least 6 weeks before departure, as the vaccine must be administered at least 10 days before travel.

How long does the yellow fever vaccine last?

The yellow fever vaccine (Stamaril or YF-VAX) provides lifelong protection after a single dose, according to WHO guidelines updated in 2016. Previously, a booster was required every 10 years, but this is no longer recommended for most travelers. However, some countries may still request a certificate less than 10 years old — verify entry requirements for your specific destination.

What are the side effects of the yellow fever vaccine?

Most people experience only mild side effects: soreness at the injection site, low-grade fever, headache, and muscle aches lasting 1–3 days. Serious adverse reactions are rare (approximately 1 in 250,000 doses) and may include allergic reactions or viscerotropic disease. The vaccine is contraindicated for infants under 6 months, severely immunocompromised individuals, and people with egg allergies. Consult your travel health provider to assess your individual risk.

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