Frostbite sune raunukan fata mara kyau. Ana lura da waɗannan busa akai-akai yayin bala'in Covid-19. A cewar masu binciken, sun samo asali ne daga ingantacciyar rigakafi ta asali daga Sars-Cov-2.  

Frostbite yana bayyana ta ja ko yatsu masu shuɗi, wani lokacin tare da bayyanar ƙananan blisters waɗanda zasu iya ɗaukar bayyanar necrotic (fatar da ta mutu). Suna da zafi kuma gabaɗaya ya haifar da sanyi da rashin aiki a cikin ƙwayoyin cutaneous micro-vascularization. Koyaya, tun farkon barkewar cutar ta Covid-19, Italiyawa, sannan Faransawa, dole ne su nemi likitan su akai-akai saboda bayyanar sanyi. Don tabbatarwa ko a'a alaƙar da ke tsakanin Covid-19 da sanyi, masu bincike sun yi nazarin mutane 40 masu matsakaicin shekaru 22, waɗanda ke fama da irin wannan raunuka kuma waɗanda Covid cell na CHU de Nice suka karɓa. Babu ɗaya daga cikin waɗannan marasa lafiya da ke da ciwo mai tsanani. Duk waɗannan mutanen sun kasance ko dai sun kasance masu alaƙa, ko kuma ana zargin sun gurɓata, a cikin makonni uku da suka gabata kafin tuntuɓar sanyi. Koyaya, an sami tabbataccen serology a cikin kashi uku kawai kawai. Kamar yadda shugaban binciken, Farfesa Thierry Passeron ya bayyana, " An riga an bayyana cewa bayyanar cututtukan fata gaba ɗaya, irin su urticaria, da sauransu na iya bayyana bayan kamuwa da kwayar cutar ta numfashi, amma faruwar halayen irin wannan nau'in ba a taɓa yin irinsa ba. “. Kuma ƙara” Idan wannan binciken bai nuna dalilin da ya sa ke tsakanin raunukan fata da SARS-CoV-2 ba, duk da haka ana zarginsa sosai. “. Tabbas, adadin marasa lafiyar da suka gabatar da sanyi a watan Afrilun da ya gabata shine " musamman abin mamaki “. Sauran binciken kimiyya sun riga sun bayyana abubuwan da ke haifar da su, suna tabbatar da alaƙar da ke tsakanin sanyi da Covid-19.

Don tabbatar da hasashe na ingantaccen rigakafi na asali (layin farko na tsaro na jiki don yaƙar ƙwayoyin cuta), masu bincike sun motsa kuma sun auna a cikin vitro samar da IFNa (kwayoyin tsarin rigakafi wanda ke fara amsawar rigakafi) daga ƙungiyoyi uku na marasa lafiya: wadanda wadanda suka gabatar da sanyi, wadanda aka kwantar da su a asibiti da wadanda suka ci gaba da kamuwa da cututtukan Covid. Sai ya zama cewa” IFNa magana matakin Daga cikin rukunin da suka gabatar da sanyi sun fi na sauran biyun. Bugu da ƙari, ƙimar da aka lura a cikin ƙungiyoyin mutanen da ke asibiti sune " musamman low ». Don haka sanyin zai kasance sakamakon wani ” overreaction na innate rigakafi A wasu marasa lafiya da suka kamu da cutar coronavirus novel. Likitan fata duk da haka yana fatan " tabbatar da masu fama da shi: ko da [Fostbite] suna da zafi, waɗannan hare-haren ba su da tsanani kuma suna komawa baya ba tare da wasu lokuta ba a cikin 'yan kwanaki zuwa 'yan makonni. Suna sanya hannu kan wani lamari mai yaduwa tare da SARS-CoV-2 wanda ya riga ya ƙare a mafi yawan lokuta. Marasa lafiya da abin ya shafa sun kawar da kwayar cutar cikin sauri da inganci bayan kamuwa da cuta ".