Rat plague following COVID-19?
The COVID-19 pandemic led to the widespread closure of many business establishments, including eateries and restaurants. This kind of mass change in human behavior has historically led to changes in animal behavior as well. This is especially observed with respect to urban rat behavior.
A new study published on the preprint server medRxiv* in July 2020 describes the increased rat sightings following the imposition of social distancing and business closures at the start of 2020. Soon after this, local governments and public health authorities were alerted to an increasing number of rat sightings, with increasingly aggressive behavior and a loss of fear of people. Some have reported cannibalism among rats.
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