KEY PLAYERS

PFIZER-BIONTECH, MODERNA (US)

Administered to those above 12 yrs; trials on for children aged5to11;not available in India yet

SPUTNIK V (RUSSIA)

Nasal trials on vaccine children aged 8-12 yrs ongoing. Expected to be over by month-end

SINOVAC, SINOPHARM (CHINA)

Approved for 3-17 yrs age group in China; not available in India yet

ZYDUS CADILA (INDIA)

Approved for use in 12+; trials on 5+ on the cards

NOVAVAX-SII

Trials on in India for age group 7-17 years. Trials on 2-6 yet to begin