The difference between the green box and the blue box of the new coronavirus in India lies in the different pharmaceutical companies. According to relevant information, Indian pharmaceutical companies can copy and produce any drug as long as the production process is different from the patented production process of other pharmaceutical companies. There are two main types of COVID-19 generic drugs circulating on the market, namely Pfizer India's green box version of Primovir, Pfizer India version of blue box Paxista.