Science and technology advisor to the Deptt. of Homeland Security secretary William Bryan chuan White House-ah he thu hi sawiin scientist te chuan natna hrik siamtu chu ni zung, ultraviolet rays in a that thei tih an hmu chhuak niin a sawi a, nipui a thawt chhoh chuan virus leng hi a reh theih mai beiseina a siam a ni.
William Byran chuan ni eng in a chhun chuan boruak emaw, thil dang emaw-a virus lo awm chu a ti hlum thei niin a sawi a, khaw lum leh vawtah pawh ni zungin a chhun chu virus hian a haw ve ve niin a sawi.
