Fifth disease - Ugonjwa Wa Tanohttps://en.wikipedia.org/wiki/Fifth_disease
Ugonjwa Wa Tano (Fifth disease) ni mojawapo ya dalili kadhaa zinazowezekana za kuambukizwa na parvovirus B19. Ugonjwa wa tano (fifth disease) ni kawaida zaidi kwa watoto.

Ugonjwa wa tano (fifth disease) huanza na homa ya kiwango cha chini, maumivu ya kichwa, vipele, na dalili zinazofanana na baridi, kama vile mafua au pua iliyojaa. Dalili hizi hupita, kisha baada ya siku chache, upele huonekana. Upele mwekundu unaong'aa mara nyingi huonekana usoni, hasa kwenye mashavu (kwa hivyo jina "ugonjwa wa shavu iliyopigwa"). Mbali na mashavu mekundu, watoto mara nyingi huwa na upele mwekundu kwenye mwili wote, pamoja na sehemu za juu za mikono, kiwiliwili, na miguu.

Ugonjwa huu kwa kawaida ni mdogo, lakini kwa wanawake wajawazito, maambukizi katika trimester ya kwanza yamehusishwa na hydrops fetalis, na kusababisha kuharibika kwa mimba.

Matibabu
Hakuna matibabu maalum yanayohitajika kwani ugonjwa huu huwa huboresha kwa muda.

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  • Mtoto wa miezi 16 mwenye Ugonjwa wa Tano (Fifth disease) ― Mashavu yote mawili yanageuka mekundu, kana kwamba yamepiga kofi, na vipele vya maculopapular huonekana kwenye mwili.
  • Erithema kwenye mashavu mawili yote.
  • Mwili unaweza pia kuambatana na upele unaorudiwa.
  • Hii ni hali ya nchi mbili zilizopigwa mashavu, upele unaosababishwa na maambukizi ya virusi B19.
References Fifth disease (parvovirus B19) 35951969 
NIH
Fifth disease, pia inajulikana kama erythema infectiosum, ni maambukizi ya virusi parvovirus B19. Inaenea zaidi kwa watoto, kwa kawaida huathiri wale wenye umri kati ya miaka 4 hadi 14. Dalili mara nyingi huanza na homa ndogo, maumivu ya kichwa, koo, na hisia za mafua. Watoto wanaweza kupata vipele vyekundu kwenye uso vinavyofanana na “slapped cheeks”, pamoja na vipele vyenye muundo kwenye mwili, mikono, na miguu. Kwa watu wazima, maumivu ya viungo ni dalili za kawaida, ambazo zinaweza kuonekana wiki baada ya maambukizi ya awali. Kwa hakika, karibu 20 hadi 30 % ya watu wazima walioambukizwa na parvovirus B19 hawawezi kuonyesha dalili zozote.
Fifth disease (erythema infectiosum) is a viral infection caused by human parvovirus B19. It is more common in children than adults and usually affects children ages 4 to 14. The disease often starts with mild fever, headache, sore throat, and other flu-like symptoms. Children can also develop a bright red rash on the face that looks like “slapped cheeks”, along with a lacy or bumpy rash on the body, arms, and legs. In adults, joint aches are a common symptom. Rash and joint symptoms may develop several weeks after infection. About 20 to 30% of adults who are infected with parvovirus B19 will not have symptoms.
 Exposure to fifth disease in pregnancy 20008596 
NIH
Hatari ya kuambukizwa parvovirus B19 kutoka kwa mama hadi kwa mtoto ni karibu 33 %, huku takriban 3 % ya wanawake walioambukizwa wakipata matatizo kwa watoto wao. Mama anapoambukizwa kabla ya wiki 20 za ujauzito, uwezekano wa matatizo kama vile upungufu wa damu na mkusanyiko wa maji katika mwili wa mtoto huongezeka. Ili kuanza kudhibiti ugonjwa huu, tunapaswa kuangalia ikiwa mgonjwa amewahi kuathiriwa na parvovirus kwa kupima kingamwili fulani (IgM). Ikiwa kipimo hakionyeshi maambukizi ya awali lakini kinaonyesha maambukizi ya hivi karibuni, mgonjwa anahitaji ufuatiliaji wa karibu wakati wa ujauzito, ikijumuisha uchunguzi wa mara kwa mara wa ultrasound ili kutathmini masuala fulani ya afya ya mtoto.
The rate of vertical transmission during maternal parvovirus B19 infection is estimated at 33%, with fetal complications occurring in 3% of infected women. Fetal complications comprising hemolysis, anemia, and nonimmune hydrops fetalis and fetal loss are more frequent when maternal infection occurs before 20 weeks of gestation. The first step in the management of this patient would be to obtain immunoglobulin (Ig) M and IgG titres against parvovirus to evaluate if the patient has had previous immunity against the disease. If results are negative for IgG but positive for IgM (ie, primary infection), this patient would need close obstetrical monitoring for the following weeks, including serial ultrasounds to rule out fetal anemia and hydrops fetalis.