Entry and initial spread of COVID-19 in India: Epidemiological analysis of media surveillance data, India, 2020 oleh Nuzrath Jahan, Polani Rubeshkumar, Mathan Karuppiah, Irene Sambath, Muthappan Sendhilkumar, Kumaravel Ilangovan, Roopavathi Ongesh, Manikandanesan Sakthivel, Raju Mohankumar, Muthusamy Santhosh kumar, Parasuraman Ganeshkumar, Manickam Ponnaiah, Prabhdeep Kaur