Covid-19 pandemic is India is a wake-up call for Africa that its governments and citizens must not let their guards down, the African Union's disease control agency warned on Thursday.African nations generally do not have sufficient numbers of health care workers, hospital beds, oxygen supplies, and the continent of 1.3 billion would be even more overwhelmed than India if cases surged in a similar way, said John Nkengasgong, head of the Africa Centres for Disease Control and Prevention."We are watching with total disbelief...What is happening in India cannot be ignored by our continent," he told reporters.Nkengasgong urged Africans to wear masks and avoid large gatherings, warning: "We cannot and should not find ourselves in (India's).