World Health Organization chuan khawvel puma natna hri leng mek, Covid-19-in khawvel a chawh buai dan chu khawvelin hriselna kawnga harsatna a tawh nasat ber \um niin a sawi a, khawvel ram zawng zawngte chu Covid-19 nia rinhlelh zawng zawng enfiah vek turin a ngen.