<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.tangu mwaka wa 2019, dozi millioni 2.3 za chanjo ya mosquirix zilitolewa kwa watoto nchini ghana, kenya, malawi katika mpango kabambe unaoratibiwa na who.  <response>: since 2019, 2.3 million doses of mosquirix have been administered to infants in ghana, kenya and malawi in a large-scale pilot program coordinated by the who. 