Union Health Minister Dr Harsh Vardhan on Saturday said that India's first vaccine against the novel coronavirus could be available by end of this year. One of our COVID-19 vaccine candidates is in the third phase of the clinical trial. We are very confident that a vaccine will be developed by end of this year," Dr Harsh Vardhan said while inaugurating an NDRF 10-bedded makeshift hospital in Ghaziabad, Uttar Pradesh.