Swedish disease data point to reduced COVID-19 impact in 2021
Swedish disease data point to reduced COVID-19 impact in 2021

Swedish disease data point to reduced COVID-19 impact in 2021

The COVID-19 pandemic continued to affect reports of other diseases in 2021, according to the National Board of Public Health in Sweden (Folkhälsomyndigheten).

A summary of the 2021 epidemiological annual report shows that foodborne illnesses, such as Campylobacter and Salmonella, increased slightly compared to 2020, but the number of cases was still down to the level before the 2019 pandemic.

The numbers for more infectious diseases continued to be at low levels in 2021, but the role of corona measures was not as clear as in 2020.

In 2021, fewer cases of notifiable infectious diseases were reported than before the pandemic, but the difference was not as large as in 2020.

Impact on foodborne illness
Yersinia, E. coli and Hepatitis A increased compared to 2020, while Shigella cases were unchanged.

The decline was largely due to the continued low number of people infected abroad, according to the report. For Cryptosporidium, the infections decreased for the second year in a row, while the situation was stable for Listeria.

Detailed annual reports on each disease will be published later this year.

There were more than 4,000 Campylobacter infections in 2021, compared to nearly 3,500 in 2020 and 6,700 in 2019. Nearly 950 Salmonella infections were reported in 2021 against 826 in 2020 and nearly 2,000 in 2020.

The number of E. coli infections increased to 653 in 2021 from 491 in 2020, but decreased from 755 in 2019. A total of 313 Yersinia cases were recorded in 2021, 221 in 2020 and 393 in 2019. In 1021, there were 1071 infections. listed compared to 88 in 2020 and 113 in 2019.

“There is probably an effect of infection control measures against COVID-19 and changed behavior, but the connections are complex. We will see an increase in infectious diseases when people meet more and more people who travel abroad, ”says state epidemiologist Anders Lindblom.

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