Correction: A customs dispute involving the shipper and the US Customs and Border Protection at the US-Canada border prevented the transportation of fish used in fish sticks and sandwiches. 

Can't find what you need in the store again? You are not alone. 

As the world reaches the two-year mark of the COVID-19 pandemic, more and more items are becoming scarce due to shortages in the global supply chain.

Supply chain issues are the result of "the record-breaking congestion in the Port of Los Angeles/Long Beach has spread to the East Coast, widespread power outages across China, shortages of truck drivers and service personnel, and problems caused by COVID-19." Infection and restriction," Dai Tinglong, a business professor at Johns Hopkins University, told USA Today in an email.

Transportation prices have skyrocketed, and demand for goods exceeds supply.

Economic impact: Food prices are rising due to factors such as worker shortages, supply chain issues, extreme weather, etc.

Before making a shopping list, here is a list of items you may not find:

This kind of frozen food is usually the perfect dessert, but in an email on September 14, Ben & Jerry's parent company Unilever cited labor shortages as a reason for reducing production. The company said it will focus on producing the most popular flavors. Food phishing lovers, you don’t need to worry.

Per Hong, a senior partner at consulting firm Kearney, told CNBC that fertilizer plants that produce carbon dioxide had to reduce output due to rising costs, leading to shortages of food and other products. "We will almost certainly face the problem of carbon dioxide shortages that are widely used globally. Carbon dioxide is widely used in the food value chain, from packaging foods to keep them fresh for a longer period of time, to dry ice keeping frozen foods cold during transportation, and then To provide bubbles for carbonated drinks," he said. 

People use fast food instead of everyday meals, causing chicken to become scarce. In May, the supplier announced a chicken shortage, which restricted some restaurant menu items and increased store prices. 

Brazil is a supplier of most of the coffee in the world, but the country has been experiencing drought, which has slowed down the production and transportation of coffee beans.

According to "Business Insider" reports, families with children should be aware that diaper prices have risen due to rising raw material prices, shipping delays and shortages of containers. Diaper manufacturers Pampers and Luvs and Huggies announced price increases in early April.

A customs dispute at the U.S.-Canada border has resulted in Alaskan pollock, which is used to make fish sticks and sandwiches, kept at the border. Cross-border violations have stopped the transportation of fish and may cause permanent seafood supply chain problems.

Rodney Holcomb, a food economist at Oklahoma State University, told ABC27 News that concerns about the delta coronavirus variant have caused some customers to buy more than usual, just as the Americans As seen at the beginning of the epidemic, in case there is a blockade again. 

Dedication season: Don’t wait until Black Friday to start your holiday shopping. This is why you need to shop now.

Due to restrictions on indoor dining, most people turn to pick-up, take-out and delivery orders, thus limiting the supply of personal ketchup packages. Kraft Heinz confirmed to USA Today in early April that it is working to increase supply, such as increasing production lines to increase production by about 25%, totaling more than 12 billion bales per year.

The holidays need comfort food-even if you are not that person. However, shortages of Marie Callender's 10-ounce and 15-ounce tins of pies are expected. According to the parent company Conagra, it will distribute shipments before November 29 after it "has encountered packaging material challenges from our pallet and carton suppliers, resulting in production interruptions," CNN Business reported.

As the holidays approach, the meals being prepared across the country may lack a very important ingredient: seasoning. Due to the pandemic-related work stoppage, McCormick’s gourmet spice is short of packaged supplies. Lori Robinson, a spokesperson for McCormick, told CNN Business that "Gourmet is the only product line affected by the shortage of packaging," but regular flavors can be used instead. 

As stated in the email sent to the supplier, the output of this lunch box was "below service expectations." Although the production line has been restarted with the addition of replacement workers, as Kellogg workers are still on strike, shortages still exist.

In an email sent to a grocery distributor on October 1, the parent company Mondelez stated that some of their products, such as Sour Patch Kids, Swedish fish candies and Toblerone chocolate, were "limited in supply" "due to supply chain constraints." 

This is not new to the pandemic shortage list, but the industry has not kept up with demand. The shortage stems from wood pulp, the raw material for wood, which is used to make toilet paper. Fox Business reports that only 60% of orders are being shipped. Some retailers, such as Costco, have restored purchase restrictions. 

Before the pandemic ketchup squeeze: a year of COVID-19 product shortages and items that are hard to find