Warriors Diary Here Is How We Carried Out Our COVID 19 Outreach and the Lessons Learnt. (June 19th – July 31St 2020, Douala, Bamenda, Yaounde and Ndop.) Posted on August 21, 2020August 31, 2020 by ARREY - ECHI Covid 19 Outreach for Persons with Sickle Cell.