Amid the rising Monkeypox scare, Serum Institute of India (SII) CEO Adar Poonawalla said on Tuesday they are in talks with American biotech company Novavax to develop a messenger RNA (mRNA) Vaccine for it. SII is also planning to import some doses of Denmark-based Bavarian Nordic's smallpox vaccine that can be useful if there is a larger monkeypox outbreak in India, he told NDTV.