The article highlights a significant decrease in Vietnam's tuna export value in the first quarter of 2020, with a 10.4% drop compared to the same period in 2019. This decline is largely due to a slump in tuna exports to major importers, including the US, EU, and ASEAN, caused by the Covid-19 pandemic and its impact on demand and trading activities. While tuna exports to some markets have seen growth, the value of these exports is small. The pandemic has also shifted the global tuna consumption trend towards canned tuna, prompting businesses to increase processed tuna production. However, the pandemic is also affecting the supply of raw tuna, leading to a rise in prices in some areas.