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unblock

(52,399 posts)
Thu May 14, 2020, 05:53 PM May 2020

question about acquiring covid-19 via the mouth

i've seen a number of articles saying it's not a foodborne illness, so not to worry about getting it by eating. the food is swallowed and the stomach acid kills it, and it doesn't get up into the upper back of the nasal cavity, which is an entry point for the virus, but it only gets there by breathing.

but i've also seem plenty of articles saying you can get it by touching a surface that has the virus then touching your eyes, nose, or mouth. so specifically regarding the mouth, how is that any different from eating some food that had the virus on it.

say you get a pizza delivered and someone in the kitchen has covid-19 and some virus particles wind up on your pizza crust. you carefully remove the pizza from the box and put it on clear plates and scrub your hands. or you just get the pizza in a restaurant. they're serving you on the patio and there's no one else there, just to eliminate other means of contamination from the question.


am i to understand that you can now pick it the pizza with your hands and eat it without worry, but if you then lick your fingers, *that* could get you infected?

that doesn't seem to make much sense.

what am i missing?


26 replies = new reply since forum marked as read
Highlight: NoneDon't highlight anything 5 newestHighlight 5 most recent replies
question about acquiring covid-19 via the mouth (Original Post) unblock May 2020 OP
Maybe the food supply is contaminated CountAllVotes May 2020 #1
Heat up the pizza before you eat it. marybourg May 2020 #2
maybe a bad example on my part. maybe ice cream? unblock May 2020 #12
If the virus lives in mammals, it's unlikely that marybourg May 2020 #19
we haven't. just wondering if we're over-reacting or if our more adventurous friends are crazy ;) unblock May 2020 #21
Your "more adventurous " friends are foolish. marybourg May 2020 #22
+1 jberryhill May 2020 #25
I'm skeptical about any food handled by others... Buckeye_Democrat May 2020 #3
I don't understand it either. And if the stomach acids kill helpisontheway May 2020 #4
i've heard the 1-minute microwave rule unblock May 2020 #9
Just a guess, but if you eat infected food, some of it might linger in the mouth ... IggleDuer May 2020 #5
that was the only way i could think of to reconcile both sets of articles unblock May 2020 #7
I think that existing safe food handling practices (the ServSafe stuff) should help htuttle May 2020 #6
yeah, "everybody knows" that you run a risk of getting sick from any restaurant unblock May 2020 #8
The Virus Getting To Lower GI... ProfessorGAC May 2020 #14
I don't know the answer, but this is one possible explanation. Jamastiene May 2020 #10
i don't disagree, but why is touching your mouth dangerous but eating food not? unblock May 2020 #15
We breathe all the time. Jamastiene May 2020 #16
Off the top of my head, it's more catchable by nose and eyes route. uppityperson May 2020 #11
i've seen a number of articles saying don't touch your eyes, nose, or mouth. unblock May 2020 #13
It is a good question. I don't think the answer is clear yet. uppityperson May 2020 #24
Food does not seem to be a good host for the virus. Cracklin Charlie May 2020 #17
Heat jberryhill May 2020 #18
that suggests that "the virus is not foodborne" may be a bit of an overstatement unblock May 2020 #20
I didn't mean to say you can get it from food jberryhill May 2020 #23
Based on the way it can affect the digestive system, ecstatic May 2020 #26

CountAllVotes

(20,878 posts)
1. Maybe the food supply is contaminated
Thu May 14, 2020, 05:55 PM
May 2020

That is why the meat packing companies are loaded with it.

Just a guess, that is all.

If it is true we are all as good as dead.



unblock

(52,399 posts)
12. maybe a bad example on my part. maybe ice cream?
Thu May 14, 2020, 06:23 PM
May 2020

say you go one of those ice cream/mix-in places. maybe they've got the 6-foot rule in place, but should you still worry about the virus being on the ice cream and transferred to your mouth?

marybourg

(12,643 posts)
19. If the virus lives in mammals, it's unlikely that
Thu May 14, 2020, 07:19 PM
May 2020

it could survive at the temperature of ice cream. But if you’re nervous about eating outside of Your home, you probably shouldn’t.

Buckeye_Democrat

(14,858 posts)
3. I'm skeptical about any food handled by others...
Thu May 14, 2020, 05:59 PM
May 2020

... unless plenty of time has passed since it was handled.

The virus won't survive forever without a host, but am I really supposed to believe it will survive less time on moist cold-cuts than a dry metal plate? C'mon!

I also put on a mask even when the CDC wasn't recommending it for people outside of healthcare workers.

helpisontheway

(5,008 posts)
4. I don't understand it either. And if the stomach acids kill
Thu May 14, 2020, 06:00 PM
May 2020

the virus then how do some end up with intestinal Covid? Personally, we have been cooking all of our meals at home. I heard one guy say on tv that if you warm the food up in the microwave then you kill the virus. He also said to be very careful with the packages that the food was in. 🤷🏽?♀️

unblock

(52,399 posts)
9. i've heard the 1-minute microwave rule
Thu May 14, 2020, 06:20 PM
May 2020

but some foods turn to blecch if you do that. and microwaves are notoriously uneven, even if it has a rotating carousel.

IggleDuer

(964 posts)
5. Just a guess, but if you eat infected food, some of it might linger in the mouth ...
Thu May 14, 2020, 06:07 PM
May 2020

... then you inhale.

unblock

(52,399 posts)
7. that was the only way i could think of to reconcile both sets of articles
Thu May 14, 2020, 06:14 PM
May 2020

but then, i would the articles who insist there's no problem with food (other than the packaging) would say, immediately after you eat it, you must rinse your mouth with alcohol/mouthwash.

htuttle

(23,738 posts)
6. I think that existing safe food handling practices (the ServSafe stuff) should help
Thu May 14, 2020, 06:13 PM
May 2020

...prevent infections from crossing from a cook to the food, but that's only 'help prevent'. Given that the virus can be spread by asymptomatic people, it's going to be more dangerous than cooking at home.

Also, not a ton of food service jobs provide paid sick days, so there is big incentive for sick workers to try to go to work anyway. Early on in the pandemic before we got a stay-at-home order in WI (which was just overturned by some death-eating Republicans), I started checking around at which food outlets provided paid sick days, and only ordered from there. Now, we've given it up entirely and we cook everything at home for the time being.

unblock

(52,399 posts)
8. yeah, "everybody knows" that you run a risk of getting sick from any restaurant
Thu May 14, 2020, 06:18 PM
May 2020

even in the most carefully clean restaurants, patrons run the risk of getting sick. it's really not possible for food to sit in a crowded kitchen and not pick up some germs. but under normal circumstances, the worst result is usually just one bad day with several trips to the bathroom.

now it's something potentially lethal.







ProfessorGAC

(65,297 posts)
14. The Virus Getting To Lower GI...
Thu May 14, 2020, 06:26 PM
May 2020

...suggests both a very high viral load, (especially in saliva) and other modest digestive issues.
High loading could put enough virus into the stomach that residence time and mass transfer limitations keep the ionic chlorine denaturation of the virus from being complete.
The latter suggests a GI disorder due to limited enzyme activity which helps expose the virus, particular the RNA strands to chlorine attack.
I'm not a physiologist, but I know those haloorganic mechanisms to know under reasonably predictable circumstances, the virus won't survive the HCl in the stomach.

Jamastiene

(38,187 posts)
10. I don't know the answer, but this is one possible explanation.
Thu May 14, 2020, 06:21 PM
May 2020

When we eat, food doesn't go to the top of the upper back of our nasal cavity.
When we breathe, air goes there. So, that is how we can get it by breathing it in, but not by eating it? It's just a theory I just came up with. So, it is just a guess. I'm far from an expert.

unblock

(52,399 posts)
15. i don't disagree, but why is touching your mouth dangerous but eating food not?
Thu May 14, 2020, 06:28 PM
May 2020

either way you could get virus particles on your lips and in your mouth. even if the only route to infection is via the back of the nasal cavity, if it can go from the mouth to there, why would it matter how the virus got on the lips or in the mouth?

Jamastiene

(38,187 posts)
16. We breathe all the time.
Thu May 14, 2020, 06:33 PM
May 2020

Maybe when we put our hands to our mouths, we breathe then, but not when we are eating? Would that make sense?

I hope some doctors/nurses/health professionals weight in soon, because your question is a really good question. I've been worried about the food since Day 1.

uppityperson

(115,681 posts)
11. Off the top of my head, it's more catchable by nose and eyes route.
Thu May 14, 2020, 06:22 PM
May 2020

If you get it in your eyes or nose, the temp is good too take up residence.

It hangs out way back in your upper throat, where they swab from. You can expell the virus through your mouth, So wear a mask to protect others. Also if you touch your mouth, and have it, and then touch something else, you can leave some there.

I've not read anything about catching it by mouth except if you breath it in in the air.

IMO as a RN.

unblock

(52,399 posts)
13. i've seen a number of articles saying don't touch your eyes, nose, or mouth.
Thu May 14, 2020, 06:26 PM
May 2020
https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/prevention-H.pdf

...

These droplets can land in the mouths or noses of people who are nearby or
possibly be inhaled into the lungs.

...

Avoid touching your eyes, nose, and mouth with unwashed hands.

...

uppityperson

(115,681 posts)
24. It is a good question. I don't think the answer is clear yet.
Thu May 14, 2020, 08:50 PM
May 2020

It will be interesting to see how it all develops, how things change as more is learned. It is frustrating to not know so much about it.

Cracklin Charlie

(12,904 posts)
17. Food does not seem to be a good host for the virus.
Thu May 14, 2020, 06:33 PM
May 2020

They can’t survive long without a host. A sneezed on pizza would likely cause infection if eaten soon after the sneeze, so I think I would always reheat takeout, for safety sake.

 

jberryhill

(62,444 posts)
18. Heat
Thu May 14, 2020, 07:02 PM
May 2020

You are missing the critical element of heat.

Heat kills the virus.

Hot food is hot. Someone coughing on their hand, leaving it on a surface, you picking it up, and putting it in your mouth, doesn't include a cooking step.

So, make me feel better and do this:

When you get food delivered, empty it from its container onto or into your own microwaveable vessel. Pizza on a plate, Chinese into a bowl, whatever. Then, microwave it for a minute, just to do two things (1) give the surface a quick re-heat, and (2) kill the virus with the microwaves.

https://www.ncbi.nlm.nih.gov/pubmed/3884686

https://www.tandfonline.com/doi/pdf/10.1080/0307945042000205874?needAccess=true&fbclid=IwAR1MRwDeQrPCOGtHuIUZL4Kmq8B6_OT-ht8wfBghnDbXIZ8yKeQ5rrmHWOk&

unblock

(52,399 posts)
20. that suggests that "the virus is not foodborne" may be a bit of an overstatement
Thu May 14, 2020, 07:20 PM
May 2020

so where i've read that the virus is not foodborne, or that you can't get it from food, you're saying you can get it from cold or room temperature foods, or perhaps cooked food that has recently been exposed to the virus (with not enough time for the heat to kill it).

so i should stay away from prepared salads unless i want to eat it hot and wilted (ick!) but delivered hot foods are ok (with your suggested precautions)?

and restaurant food probably is ok right after it's cooked, but there's a risk of the virus falling on the food between the time it comes out of the oven and the time it arrives at my table? (putting aside the risk of getting it from air in the restaurant, which is surely the bigger risk)...

 

jberryhill

(62,444 posts)
23. I didn't mean to say you can get it from food
Thu May 14, 2020, 07:54 PM
May 2020

But I can say that if something has been heated, the WHO says:

“ Heat at 56°C kills the SARS coronavirus at around 10000 units per 15 min (quick reduction).”

That’s only 132 Fahrenheit, so it does not take a tremendous amount of heat to kill it.

Personally, I don’t order cold takeout foods, but that’s just me. I can’t make decisions for others.

ecstatic

(32,758 posts)
26. Based on the way it can affect the digestive system,
Thu May 14, 2020, 10:32 PM
May 2020

I'm going the cautious route. To each his or her own.

Assuming the virus wasn't created in a lab, there is nobody alive at this moment who can offer conclusive advice about how this virus works.

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