XOutlier
Download .zipAdd to Chrome

Kimberly Prather, Ph.D.

@kprather8888k followers

Scientist who loves to read, cook, and garden. Research on airborne disease transmission, aerosol-climate, air quality. now:

Open on X
Top outlier
20.1×
Best organic post
Peak views
703k
Single post
Bookmarks
11k
Across 91 organic posts
Last scan
Oct 17
Community cache
Posts 91 posts
#DatePost↓ OutlierViewsLikesRepostsBookmarks
1Jan 11, '23COVID-19 cases are skyrocketing. I just had someone call the situation surrounding us an "inferno". #COVIDIsAirborne but I am seeing zero masks. This is an incredible time in histo20.1×703k7.1k1.4k140
2Aug 11, '23I know a pediatrician who finally caught COVID after 3.5 yrs who is being told she needs to return to work even though she is still testing positive (at 7 days) and feels awful. On11.5×402k4.8k1.5k174
3Sep 17, '23Email I just sent to @CDCgov director after seeing their abysmal report on masking... Hello, I have spent the last few years helping people understand how to protect against the ai10.6×370k3.8k1.1k392
4May 5, '23Excellent article. Informative, clear, direct. One of the best of the pandemic. Great job @jvipondmd @sameo416 @Mark_Ungrin -- thank you!! A few highlights below in thread (there a7.8×274k2.5k988666
5Dec 20, '23COVID-19 is still circulating...in fact, it seems to returning with a vengeance. IF you choose to travel or do other activities, wear a frigging mask indoors. The virus is transmit7.8×274k3.3k567154
6Oct 7, '21Someone just sent me info on outbreak in a hospital break room where 14/15 got infected by 1 index case in one shift. The max in room at once time was 4. Warning: don’t take off ma7.5×014k4.5k576
7Feb 7, '24I am seriously upset that so many smart educated people surround me at a meeting with ZERO masks & look at me like they do not understand why I am still wearing one. Literally 6.2×217k3.5k433145
8Jul 5, '23SARS-1 was acknowledged and treated as airborne right away. This ended it and stopped it from becoming a pandemic. Why was SARS-2 not treated as airborne?6.0×211k3k601129
9Sep 29, '23Crazy 101...seeing an MD on a plane frantically wiping down all surfaces with no mask in sight (while I am wearing one and gently telling her "it is in the air"...she then nodded a5.6×196k3.3k32346
10Sep 11, '24This is the "hot spot" we have identified in Imperial Beach where turbulence in the river releases extensive odor and river spray aerosols containing viruses, bacteria, and other p5.5×192k2.9k705502
11Feb 13, '23Why are some people making such an effort to claim masks don't work when massive amounts of peer reviewed evidence shows they do?5.5×191k2.7k32055
12Aug 16, '24Wearing my mask while getting my hair cut...hair dresser says...is there something wrong? I said...same ol'...still don't want to catch covid which is peaking right now. She says..5.0×174k2.7k16683
13Oct 22, '22My response to @CDCDirector. After nearly 3 years, I am beyond stunned at your recent Tweet...talks about washing hands and doesn't say a word about masks or cleaning indoor air. T4.8×010k2.5k478
14Dec 15, '22#COVIDIsAirborne. Yes, I am saying it again. Why? Because I am still seeing zero masks, hospitals overflowing, hand sanitizer, and no air filtration everywhere I go. Is the human r4.6×163k3.8k81947
15Aug 4, '23We drink 2-3 L of water a day. Water can contain pathogens. We filter our water. We breathe 11,000 L of air. Air can contain pathogens. We do not filter our air. Why not?4.6×162k3.2k839117
16Sep 5, '21Most docs wear N95s when seeing potential COVID patients and remove them after they leave room. The virus hovers in rooms for hours. This notion of 6ft and 15 min near an infected 4.5×09.5k2.2k356
17Jan 6, '22Just explained to a school superintendent why spraying bleach into the air in classrooms is a bad idea…somehow she thinks she and others on her board know better than experts. Feel4.4×010k1.7k130
18Jan 16, '25The Air Quality Index that says the air is safe in LA after the wildfires. The AQI does not take into account toxic gases that form when urban materials burn at such high temps. My4.3×151k3.2k698334
19Jun 26, '23To all healthcare systems dropping mask mandates, are you dropping handwashing too? Given that most respiratory viruses are transmitted through the air and inhaled, your insistence3.9×137k3k68664
20Jul 30, '23Hand sanitizer in foreground at airport...over 20 people have come over and used it in a 10 minute period. How many are wearing masks? Yep. ZERO. Congrats public health folks @CDCg3.9×135k2.4k56041
21Oct 20, '24I have avoided directly sharing any political view. I cannot continue to do so. I support @KamalaHarris 100%. I do not understand those who do not. I was raised to back someone wit3.8×133k6.1k84651
22Jul 2, '22I cannot believe how hard it is to help the world understand that the virus that causes COVID-19 is airborne. You can protect yourself with better masks, ventilation, and filtered 3.8×08.5k1.8k73
23Aug 23, '23Good job @AlaskaAir ... air is flowing in a major way as we board....literally loud and blowing. Check out CO2 on boarding. Thank you for setting the standard that all airlines sho3.6×126k2.7k22958
24Mar 13, '22It is stunning to see all of the people not wearing masks indoors and having no idea while looking at me as if I am the one who is out of touch. This is a direct result of all of t3.4×08.5k1.3k76
25Jan 7, '22So if we all agree that we will be living with respiratory viruses in the future and that they have an airborne transmission component, can we agree that it is essential to clean i3.2×07.8k1.3k58
26Dec 14, '21How many people (on Twitter) realize that you must wear a good mask in all public spaces especially break rooms, public restrooms, and indoor corridor even when no one is around? T3.1×06.1k1.8k192
27Jul 25, '23It has been so disappointing to see masks dropped in healthcare. I testified for OSHA to show how this makes zero sense. It seems like this has been a tipping point where vulnerabl3.1×110k2.4k45331
28Apr 8, '22As I see more people who have remained COVID-free for 2+ years becoming infected, it is obvious that 2 things are happening - 1) we are dropping our guards as we worn down, and 2) 2.9×06.7k1.2k188
29Feb 7, '24Yes, I am wearing a mask indoors in public. I just wore one thru a 40 min talk I gave at a conference. I am furious at those coughing, choking, and blowing their noses around me--w2.9×100k4k54989
30Jul 4, '22Universal masking lowers risk of infections. Masks filter in both directions. We are lucky it has a size that is readily blocked. Why are we not using this information to protect p2.7×04.8k1.8k186
31Nov 22, '22Catching the virus elevates your risk of memory problems by 77%. It elevates your risk of stroke by 55%. It elevates your risk of seizures by 80%. That’s because Covid attacks the 2.7×03.9k1.6k757
32May 10, '22Feeling discouraged to see another wave hitting when we had multiple warnings, we knew it was airborne, and we knew how to fix it.2.6×06.8k90439
33Jul 30, '22We need a major movement in adding air filtration to indoor spaces. HEPAs/CR boxes are equivalent to lungs for the room. They filter all viruses, bacteria, pollution, and allergens2.6×05.6k1.4k136
34Mar 9, '22#COVIDisAirborne going to tweet this until the day I walk into one business and see HEPA filters or CR boxes in place of a huge bottle of hand sanitizer.2.6×05.8k1.4k73
35May 11, '22Not good to see so many people coming down with COVID-19--many have been lucky (and determined) to avoid it for ~2.5 years. As predicted, the virus has grown to be quite infectious2.6×06.2k1k143
36Aug 1, '22Why are we dancing around the fact that cleaning/filtering indoor air will improve public health?2.5×06.2k98253
37Jan 23, '21Someone just asked me how sure I am #COVIDisAirborne . My response: all evidence to date points to the fact this virus travels in infectious aerosols produced in speech which can b2.5×05.4k1.3k91
38Dec 28, '21I have tried to hold onto hope that @CDCDirector @CDCgov will pull through and lead us out of this mess. Today, I give up. It is absolutely appalling to let (force) HCWs go back to2.4×05.5k1.1k101
39Apr 7, '22COVID is mainly transmitted through aerosols which linger in the air and NOT droplets which fall to the ground fast (w/in 6 ft). Aerosols can build up in a poorly ventilated room l2.4×04.8k1.4k184
40Sep 26, '21This virus is being spread around the world by infectious individuals exhaling aerosols that are ultimately inhaled by others in indoor air. Please let others know…good masks, dist2.2×04.7k1.2k53
41Jun 17, '22I was just asked what "frustrates" me the most about still being in this pandemic? I am frustrated because if everyone knew how to clean indoor air, the importance of masks and vac2.2×05.2k92096
42Mar 30, '22I have spent 30 years studying aerosols and how they fly around the globe and seed clouds. We showed aerosols from Africa change the snowfall over California. This is how I got suc2.1×04.7k939258
43Apr 23, '22I can’t believe what I just heard on @MSNBC. @kavitapmd just stated a test for N95 mask seal is spray perfume and if you smell it, the seal is not good. Nooooooo! You smell the gas2.1×04.5k907235
44Jul 1, '22Aerosols float like cigarette smoke and build up indoors. Droplets drop like cannonballs. 100 to 1000 times more aerosols are produced than droplets in speech. Why has this been so2.1×04.2k1.1k185
45May 18, '22Anyone who refuses to wear a mask is helping propagate this virus. If you don't wear a mask, you are contributing to the airborne viral load. Help end this pandemic by wearing a ma2.0×04.4k1k50
46Aug 27, '22Benefits of clean indoor air in school classrooms... 1. Better cognitive function 2. Lower risk of inhaling SARS2 3. Lower risk of flu and other respiratory diseases 4. Less inhala2.0×03.8k1.2k177
47Mar 24, '22"The most common way COVID-19 is transmitted from one person to another is through tiny airborne particles of the virus hanging in indoor air for minutes or hours after an infected2.0×03k1.3k299
48Aug 25, '21As long as most of the world continues to believe they need to clean viruses off of surfaces instead of removing it from the air, yes, we are all in deep trouble.1.9×04k1.1k63
49Oct 19, '24I keep getting told that "everyone has caught covid". Not me that I know. Still vaccinated and wearing a KN95 or respirator indoors especially during air travel. Don't give up. #CO1.9×66k2.9k33963
50Nov 28, '21It is well past time for people around the world to understand and yell...this virus is airborne and inhaled in poorly ventilated indoor spaces. We can end this pandemic by adding 1.8×03.7k1k35
51Nov 15, '20There is a critical message that needs to get out to save lives. Holiday gatherings are going to do enough to accelerate the pandemic without having people think that if they sit i1.8×02.9k1.1k212
52Jun 18, '22Saying you are no longer wearing a mask because "everyone is going to catch COVID" is another way of saying you have not thought about all of the people who will be harmed by catch1.8×04.3k76639
53Jul 30, '22Proper fitting masks work. All people I know who wear N95s have not caught COVID with two exceptions...1. Living w/ kids who bring it home where you don't wear a mask and 2. Travel1.7×04k65175
54Aug 7, '22Said it before and I will say it again. The #1 way to slow the spread is to block the virus at the source. With a disease where so many infectious people have no symptoms, this is 1.7×03.7k82750
55Dec 2, '21SARS-2 virus is airborne. We need to filter indoor air, wear good masks, open doors, & add ventilation to end this pandemic. It is that simple. If this had been acknowledged 221.7×03.5k93061
56Jul 3, '21Droplets drop (w/in 6 ft). Aerosols float like smoke indoors, travel further than 6 ft, and build up over time in poorly ventilated spaces. Crowded indoor locations are high risk. 1.6×02.9k1.2k92
57Jul 19, '22I am deeply concerned that even those that have been "safe" and avoiding risk are now starting to chant-we will all get it sooner than later, so let's throw up our hands. I do not 1.6×04k60130
59Oct 22, '22Someone asked me why I feel one reason for the slow admission of #COVIDIsAirborne is due to a COI. Answer: Because the chair of the infection control committee for the @WHO has sta1.6×02.8k843310
60Jun 27, '21I simply cannot believe the number of people who are content to throw up their hands and say "let's live with this virus" when there are simple measures to clean the air that would1.6×03.5k73896
61Nov 30, '21So frustrating hearing scientists say the virus is just going to continue to evolve…like we are helpless. The virus can’t evolve if we stop the airborne spread. We know how to do t1.6×03.3k82876
62Jan 24, '22Warning: SARS-2 is airborne. Watch those poorly ventilated indoor corridors which can fill with air from surrounding rooms. Even if you don't see anyone else, wear a mask at all ti1.6×03.5k74364
63Aug 13, '22Disappointed to see parents being put in the position of sending their kids back to school with no assurance of clean indoor air in classrooms. We have been explaining how to do th1.5×03.5k71735
64Feb 19, '22I may set a record for blocks today...people calling me obese and wanting to recall my PhD because I am so stupid. Why? Because I am trying to help them understand how this virus s1.5×04.2k18024
65Mar 25, '22Why are people surprised as cases start to increase due to the arrival of BA.2 in the US? No variant has skipped us before, why would it now. We even get a pre-warning watching pla1.5×03.5k64157
66Jul 5, '21They understood how to reduce transmission of an airborne respiratory virus back in 1918 before they had a vaccine. Why is the world struggling so much now with making the right ch1.5×02.8k88987
68Jan 13, '22OK world: the SARS-CoV-2 virus is AIRBORNE. Omicron is incredibly contagious. In addition to vaccinations/boosters, wear high quality masks (fit and filtration) indoors at all time1.4×03.2k72947
69Mar 16, '22It is deeply disturbing how wearing a mask has become so politicized. Because so much disinformation has been spread, even reasonable people are confused. Masks work. Masks allow u1.4×03.3k63329
70Feb 10, '22How do officials keep failing to understand that by pushing for “normal” (while over 2,000 are DYING each day in the US) and dropping mask mandates, they are only increasing the sp1.4×03.2k58438
71Oct 29, '21Seems like 9/10 members of the public still think this virus is on surfaces and have no idea it is in the air. This is total failure in messaging by @CDCgov and @WHO and members of1.4×02.9k69444
72Jan 10, '22So hard to watch the spread of this virus leading to this ongoing pandemic. We know how to stop it. It is not 1918. We have vaccines, ventilation, filtration, better masks...why th1.4×03.2k58634
73Jun 7, '22Someone just reminded me that the US has >100,000 cases of COVID-19 a day. And we are being told the pandemic is over and "move on" without addressing indoor air quality? An inf1.3×03k67235
74Aug 6, '21We will not be able to vaccinate our way out of this pandemic. We must also clean indoor air and wear masks indoors until it is fully suppressed. Everyone is tired. I am tired. But1.3×02.7k76236
75Oct 29, '22Went out to breakfast with fam for first time in 3 years (have been getting food to go)...went early (before too busy) and got outside table. People hacking one table over. Dad get1.3×03.2k39780
76Nov 24, '22I am asked about travel a lot. I have flown across the US and to/from Europe and not caught COVID or any respiratory bug. I carry my CO2 sensor to determine where to sit in airport1.3×02.6k404461
77May 23, '22#CovidIsNotOver If everyone wore a /good/ mask, we could slow the spread. Adding clean indoor air measures will end this pandemic and help get us back to our lives. Vaccines help t1.3×03k56425
80May 16, '22At store...saw a mom with two kids under 5 (thus unvaccinated) working super hard to wipe down their cart with hand sanitizer. I said to her (while wearing my elastomeric respirato1.2×03.2k29253
81Nov 2, '22Anyone trying to have in person meetings needs to understand #CovidIsNotOver just because you say it is. If you tell people, we will have no added layers of protection but you can 1.2×02.8k55454
82Jun 20, '22People need to stop and realize the SARS-CoV-2 virus is our enemy. We all need to band together and fight this virus not each other or the virus will continue to circulate and win!1.2×02.8k57028
84Aug 14, '21I feel so profoundly bad for parents with kids < 12 years old right now…those that understand the importance of vaccines/masks/ventilation/filtration. You all need to start yell1.2×02.8k54126
85May 3, '22Have we gotten to the point where the variants are so infectious that one way masking is not enough?1.2×02.7k301112
86Sep 6, '22Two cute classroom members that filter air 2000 times faster than one human breathes in indoor air making it much more likely they suck the virus in than your child. Why not add th1.2×02.5k57287
87Feb 28, '22I plan to continue to wear an N95 indoors in public places until case counts go down. I will likely wear one during the winters for all future years...Asian countries have gotten t1.1×03.1k30031
88Jan 26, '22We all want our “normal” lives back. A key difference is many of us believe we can do it in a way that is equitable for all. Everyone deserves to breathe clean indoor air and there1.1×02.6k46338
90Mar 15, '22Walking around, I see zero masks. Some people I really respect are saying that we will not get another surge. Watching other places (EU, UK) starting to see increase in cases. Whic1.0×02.6k28427
91Mar 14, '22Closing your eyes and mind won't make COVID-19 go away.1.0×02.6k40018
92Jan 13, '22Did the @CDCDirector actually say that she will not recommend N95's during a global pandemic because they might be uncomfortable? Wonder how they compare to being ventilated. This 1.0×02.5k36223
94Feb 15, '22How about the new normal including ways to clean indoor air? Let's make it so that we don't catch flu every winter. We can do this. Indoor ventilation and filtration are key parts 1.0×02.4k44018
95Apr 4, '22Why does wearing a good mask upset some people so much? They resort to name calling at the level of a 5 year old. Fear? Ignorance? What drives this toxic behavior?1.0×02.6k22421
97Feb 18, '22I am wiling to bet my first born child that if everyone filtered their indoor air (homes, businesses, schools), we would stop the spread of this virus. Please prove me wrong.1.0×02.4k29951
98Apr 15, '22I am proud to say that I will be testifying at the OSHA hearing in 2 weeks to provide a reason to provide better PPE to fully protect healthcare workers against airborne transmissi1.0×02.4k25922
99Jan 10, '22Last night was the first time I cried before going to sleep worrying about the state of our world. It is so disheartening to watch 1 wave after another when we can stop it once we 1.0×02.4k36328

Scan another creator

@
@karpathy@levelsio@paulg@naval@marclou@illyism

Run this on any account.

XOutlier builds this table for every public profile you open on x.com, with live data and every post, not just the top 50.

Add to Chrome Download .zip