India's two largest syringe manufacturers, Hindustan Syringes and Iscon Surgicals, are expanding production capacity to meet increased demand for COVID vaccinations in India. Hindustan Syringes plans to double production to 100 crore units next year, while Iscon Surgicals is expanding to produce 7.5 crore units per month. Additionally, BD, the largest US syringe supplier, is investing $1.2 billion to expand global manufacturing capacity. Global demand for syringes for COVID vaccination is estimated to be between 800-1000 crore units depending on vaccination rates. India's demand could be as high as 270 crore syringes depending on the number of shots required by the vaccine