https://www.selleckchem.com/products/cia1.html ually exists. Therefore, the future large prospective longitudinal studies are recommended to further examine this relationship and then evaluate the possible need for vitamin D supplementation in women with an increased risk of EOC in Nigeria.The first confirmed case of coronavirus disease 2019 (COVID-19) in Egypt was reported on 14 February, 2020. Menoufia Clinical Oncology Centre is at the forefront of delivering care to patients with cancer during this public health crisis in Menoufia Governorate, Egypt. This article highlights the unique circumstances and challenges of cancer treatment during this global pandemic and the importance of organisational structure, preparation and a shared vision for continuing to provide cancer treatment to patients in the face of uncertainty and rapid change.The coronavirus disease 2019 (COVID-19) pandemic continues to disrupt many healthcare settings worldwide including cancer care. COVID-19 has been associated with worse outcomes amongst cancer patients. Saudi Arabia has experienced several Middle East respiratory syndrome coronavirus (MERS-CoV) outbreaks that affected the continuity of cancer care. In this paper, we describe how Saudi Arabia responded to COVID-19, how cancer care was re-restructured during this pandemic and how the recent MERS-CoV experience may have improved the Saudi response to COVID-19.The impact of the COVID-19 pandemic on healthcare services in settings with under-resourced health systems such as that of Nigeria is likely to be substantial in the coming months. The gynaecological oncology services still need to be prioritised as an essential core health service. There are increasing concerns from both physicians and patients regarding how to manage patients diagnosed with cancer during this pandemic as evidence suggests a substantial increase in the risk of COVID-19-related deaths amongst patients with cancer. However, we recognise that despite this great cha