Coronavirus Samples News Today

The chicago teachers union says its too risky to have kids back in clarks and theres a vote today on a possible walkout. d.c. and los angeles public schools delayed reopening and will now require a negative test to get back in the classroom. president biden will address the omicron surge a bit later today, and cnn is told an update to the cdcs covid isolation guidance is imminent. lets get straight to our senior medical correspondent elizabeth cohen with the latest. elizabeth? >> when you look a...

Genome ski questions on coronavirus variants has been ramping up in america. u.s. health officials saying the country sequences tens of thousands each week. but 20 nations still outpace the u.s. jacqueline howard is with us now. were realizing now just how important all of this sequencing is in order to track down a variant like omicron. >> reporter: thats right. its very important. when you think about the state of sequencing in the united states, we have made progress in the number of coronavi...

Was before, three days before-hand. the changes come as health officials ramp up their efforts to identify coronavirus variants using genome sequencing. cnn health reporter jacqueline howard joins us now with the details. so, jacqueline, how is this going to play out in the coming days? >> it will be interesting to see how this plays out, jim, especially because we know that we have definitely made progress as a nation when it comes to our genome sequencing efforts. you look at public health lab...

Between the two. >> if we can find a very close relative of sars cov 2 being taken to wuhan, and/or manipulated in the lab when it got there, then we will be closer to understanding what happened. >> the chinese government has refused access to caves from which other coronavirus samples were collected. but if the source actually leads to neighboring loos. it opens the door for western investigators to finally gain access which could be a break through. the state department wont mention the lab l...