first reported, and even in the previous waves we have seenl first reported, and even in thei previous waves we have seen a first reported, and even in the i previous waves we have seen a lag first reported, and even in the - previous waves we have seen a lag of two or previous waves we have seen a lag of two or three previous waves we have seen a lag of two or three weeks previous waves we have seen a lag of two or three weeks before previous waves we have seen a lag of two or three weeks before we - previous waves we have seen a lag of two or three weeks before we see i previous waves we have seen a lag of| two or three weeks before we see the rise as two or three weeks before we see the rise as we two or three weeks before we see the rise as we have two or three weeks before we see the rise as we have seen two or three weeks before we see the rise as we have seen in two or three weeks before we see the rise as we have seen in south- rise as we have seen in south afri