 Generate a headline for the following text: nIroyin ti lu ori ayelujara pe wi pe lilo oogun vitamin C la pa aarun coronavirus to n ba gbogbo agbaye finra lọwọ yii. Amọ ajọ eleto ilera lagbaaye, WHO  ti ṣalaye pe ko si ohun to jẹ bẹẹ rara. Ajọ WHO ni titakete si ara ẹni lo ṣe pataki bayii lati dena aarun covid-19. BBC Yoruba ṣe alaye lẹkunrẹrẹ lori ọna lati le dena aarun covid-19 lai lo oogun vitamin C. Kàyééfì BBC News Yorùbá gbé òtítọ òògun owó yẹwò Ọmọ pupa làwọn olólùfẹ wa fẹ wò nínú fíìmù làwọn òṣèré tíátà fi ń bóra - Muka Ray : Sure, heres a headline for the given text - Coronavirus in Nigeria: Ǹjẹ òògùn vitamin C lè pa coronavirus? 