[Nation] Vaccine - To eliminate Covid-19, $150 million should be spent to give 35 million Kenyans the Astra Zeneca vaccine to achieve herd immunity, says Dorothee von Brentano. "The money should be available, especially, if Covid millionaires are made to contribute. It could even be cheaper, given a seropositivity of 40 per cent in the hotspots such as Nairobi and Mombasa." Her contact dvonbrentano@gmail.com.