What you need to know about how long COVID-19 lives on surfaces in our homes.

A recent study published in The New England Journal of Medicine revealed that Covid-19 may live on cardboard for 24 hours, and plastics and stainless steel for two or three days. 


Even with social distancing, the virus could spread unknowingly at playgrounds, for instance. If an infected child touches the swings or monkey bars, another child could easily pick up the virus from the same playground hours (or even days) later. This is why many parks have been closed and it's recommended to stay home.  

Child at playground


Is the Coronavirus a threat in our homes?

What about the surfaces in our homes? Is the coronavirus a threat in our kitchens? The simple answer is NO. The difference here is that we can wash our stainless steel knives, dinner cutlery or stainless steel containers. 

For centuries, stainless steel has been (and continues to be) the material of choice for so many products worldwide. Revered for its durable, non-corroding, non-porous, and anti-bacterial properties, it is used in homes and hospitals around the world. 

The study confirms public areas that aren’t cleaned regularly—such as monkey bars, door handles, and grocery carts—can hold on to viruses and should be avoided. But at home?

A simple wash with soap and water, either by hand or in the dishwasher, effectively removes bacteria and viruses from your kitchenware, including Covid-19. 

Stainless steel is easy to wash and safe to use. During these times, if there’s any contact with an infected person, it’s important to wash the item with soap and water.

Ensure kitchenware is food grade and washed between uses.

There are many metal kitchenware products, and it can be difficult to choose. Look for food grade stainless steel often with the classification 201, 204 or 304. 

Stainless steel is non-porous, so if the container or water bottle retains an odour, it’s not the stainless steel, but rather bacteria caught in seams or tight crevices. Odors may also be from the epoxy resin that’s sometimes used in stainless steel water bottles and containers to protect the food contents from the toxic chemicals used to join the seam (similar to canned food). 

The bottom line is: stainless steel is safe. Dentists can still use their dental instruments, chefs can still use their favorite knives, families can still use their stainless steel cutlery and pack food in their stainless steel food containers. Just remember to wash between uses.  

In areas such as stores and grocery carts, bring wipes or gloves and dispose of them before returning home. Continue to wash your hands regularly for 20 seconds, eat healthy, exercise and be safe. We are all in this together. 


About Dalcini Stainless Steel

Nita Tandon, the founder of Dalcini Stainless Steel, left a career in pharmaceutical science to create the kitchenware that she couldn’t find. Safe, simple and sustainable, Dalcini was born.

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