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Around 1.67 million deaths in India in 2019 could be attributed to air pollution, accounting for 17.8% of the total deaths. Can masks help reduce these deaths?

An outbreak, wearing a mask might make people feel better and might block a droplet. its not providing the perfect protection people think it is. >> if you have a physical covering with one layer, it makes common sense its more effective. thats why you seem people double masking and doing a version of an n-95. >> jason: thats why a lot of us looked at him and said i dont think hes driven by science. hes driven by politics. >> he hasnt been trusted throughout the pandemic. the cdc says we only ne...

Multnomah, Clackamas, Washington, Douglas and northern Klamath will be under the advisory through at least Friday

I went to Pennsylvania last weekend to attend an old friend’s wedding. It was great fun. I hadn’t seen most of the people there since the pandemic hit. And COVID

Bay Area counties are not moving toward renewed mask mandates, as Los Angeles County indicated it may do. Experts agree with that strategy.

66% of the population is fully vaccinated. given we have vaccines and treatments like you described, with this surge, are mitigation measures necessary or is it safe to just kind of let it run its course? >> it depends your risks. if you are a 30-year-old, 40-year-old person otherwise healthy who has been vaccinated and boosted, you may be able to take a lot more risky activities and do more risky stuff than if youre an 80-year-old who hasnt been boosted. i think its going to be varying dependin...

Health experts agree that masking is the key to preventing the spread of the coronavirus along with vaccines and social distancing. which masks do a better job? cnns brian todd has the story. >> reporter: we have, wolf. its led to serious confusion. even with the new guidance the cdcs director says their recommendation that wearing any mask is better than wearing no mask at all. we have new information on viewers on what the government is going to say on this. tonight a new effort to stem confus...

Delivering here later today, as well. >> mike, thank you so much. and turning back to the coronavirus pandemic. weve been hearing from doctors its time to upgrade your masks, but masks are not one-size-fits all. different people have different needs and different budgets. back with me is msnbc medical contributor dr. vitamin gupta. thank you so much for being with us. i had a ton of questions after your segment. everyone was appreciative but they want more information. let us dive in. there ar...

Quality masks available for free. we need more details on this, but how important is this? >> well, i think its very important. you know, weve been talk about this for a long time. people should wear masks and if youre going to wear a mask, which you should, it should be the most protective mas that can you can. weve showed this before, but if you look at in the context of omicron now, given how transmissible this is, a cloth mask versus a surgical mask versus an n-95 mask, its skrr clear. i don...

Wear an n 95 or kn 95 more than once? >> yes. you can wear it a rule of thumb is up to 40 hours of use. the filter does not go bad for days to weeks. >> experts now say with omicron, its high time to upgrade from cloth. >> cloth masks are little more than facial deck core races. >> some say theres been way to be that we ourselves, the front line workers, other influential people have actually curated on what works and what doesnt work based on evidence. >> n 95 and kn 95s are not cheap. theyve a...