"The restrictions gave us time to understand Omicron and we know our existing vaccines work against Omicron, esp boosted," Munoz wrote on Twitter. 
Ziilesto zinatipatsa ife nthawi kuti timvetsetse mtundu wa Omicron ndipo tikudziwa kuti katemera yemwe tili naye amagwira ntchito yoononga kachilomboka Omicron makamaka oonjezera," Munoz analemba choncho pa tsamba la intaneti la Twitter