Regulators had temporarily halted the vaccine's use after authorities reported six cases of women developing blood clots along with low blood platelet counts, including one death.
An FDA review of all available data found there were no specific safety concerns identified although an offical says a warning label on potential allergic reactions will be issued.
This test is the first that does not require people's swabs to be sent to a lab for analysis.
Proses logistik Covid-19 dlihat menjadi cabaran utama mendapatkan vaksin itu.
It can be administered to adults and children over the age of 12 who weigh more than 40kg who require hospitalisation, with emergency approval for its use on paediatric patients under the age of 12 weighing at least 3.5kg.