Omicron Was Present in Pune's Sewage Days Before Its First Ever Detection in South Africa, Reveals IISER Studyhttps://weather.com/en-IN/india/coronavirus/news/2023-03-28-omicron-found-in-punes-sewage-days-before-detection-in-africatldr; Omicron discovered in wastewater samples in India before being diagnosed in South Africa.--WHO revises COVID-19 vaccine recommendations for Omicron-erahttps://www.reuters.com/business/healthcare-pharmaceuticals/who-changes-covid-vaccine-recommendations-2023-03-28/tldr; Says boosters should/could be given between 6-12 months for those at risk, and recommends weighting cost effectiveness before giving to healthy children.--