Concerns About COVID-19 Transmission from Packages: What You Need to Know

Infection transmission through packages?

Hello doctor, I would like to ask you a question.
My brother ordered a laptop stand online from PChome yesterday, and he was very happy to receive it today.
However, I am a bit worried because I saw news reports about the presence of the coronavirus on salmon.
My mom asked me to open the cardboard box since my brother hasn't returned home yet, and during the process, I didn't wear a mask.
I did spray it with alcohol, but I almost cut my finger (although there was no bleeding).
I'm concerned that if there was a virus, I might get infected.
After handling it, I quickly washed my hands.
If I used hydrogen peroxide and it didn't hurt or bubble, does that mean I don't need to worry too much about being infected with the coronavirus? Thank you.
Additionally, I would like to know if I need a tetanus shot since I didn't see a wound, and I had a bee sting three years ago for which I was vaccinated.

Yan Zi, 10~19 year old female. Ask Date: 2020/11/12

Dr. Hong Yuanbin reply Internal Medicine

Hello, based on your description, the risk of infection should be very low.
Additionally, since you received a tetanus vaccine within the last five years, your antibodies should still be effective, so there is no need to worry too much.
As for the wound, I recommend disinfecting it with povidone-iodine, as hydrogen peroxide can be overly irritating to the wound.
Thank you for your inquiry.

Reply Date: 2020/11/12

More Info

When it comes to concerns about COVID-19 transmission from packages, it's important to understand the current scientific consensus and guidelines. The risk of contracting COVID-19 from surfaces, including packages, has been assessed by various health organizations, including the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC).
Firstly, it is crucial to note that the primary mode of transmission for COVID-19 is through respiratory droplets when an infected person coughs, sneezes, or talks. While it is theoretically possible for the virus to survive on surfaces, including cardboard, studies have shown that the virus's viability decreases significantly over time. Research indicates that SARS-CoV-2, the virus that causes COVID-19, can remain viable on cardboard for up to 24 hours, but the viral load decreases substantially after just a few hours. By the time a package reaches you, especially if it has been in transit for a day or more, the likelihood of viable virus being present is very low.

In your situation, you mentioned that you used alcohol to disinfect the package, which is a good practice. Alcohol-based disinfectants are effective against the virus, and using them on surfaces can further reduce any potential risk. Additionally, washing your hands thoroughly after handling packages is an essential step in preventing any possible transmission.

Regarding your concern about the potential for infection through a small cut or scratch on your finger, the risk remains low. While it is theoretically possible for the virus to enter through a wound, the primary concern is still respiratory transmission. If you did not see any blood or significant injury, and if you cleaned your hands afterward, the risk of infection is minimal.

As for your question about needing a tetanus shot, the general recommendation is that if you have a puncture wound or cut, you should assess your tetanus vaccination status. If you received a tetanus booster within the last 10 years, you are likely protected. If it has been more than 10 years since your last booster, or if the wound is particularly deep or dirty, it may be advisable to get a booster. Since you mentioned being stung by a bee three years ago, you should check when your last tetanus shot was administered.
In summary, while it is understandable to have concerns about COVID-19 transmission from packages, the risk is very low, especially with proper hygiene practices like disinfecting surfaces and washing hands. If you have any lingering concerns or if you notice any symptoms, it is always best to consult with a healthcare professional for personalized advice.

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