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Dolphins’ playful social habits that form bonds, but spread virus

By Associated Press

April 11, 2022

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While close contact is essential to dolphin social bonds, sharing space and air also spreads disease. To track a virus outbreak among East Coast dolphins, scientists are tracing the social networks of these playful animals in the Chesapeake Bay
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MADISON MIKETA/POTOMAC-CHESAPEAKE DOLPHIN PROJECT VIA AP

In this 2016 photo provided by the Potomac-Chesapeake Dolphin Project, Janet Mann and Ann-Marie Jacoby observe dolphins in the Potomac River between Lewisetta and Smith Point, Va. To track a virus outbreak among East Coast dolphins, scientists are tracing the social networks of these playful animals in the Potomac River and Chesapeake Bay. This photo was made under NOAA NMFS permit numbers 19403 and 23782.
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ANN-MARIE JACOBY/POTOMAC-CHESAPEAKE DOLPHIN PROJECT VIA AP

In this July 2016 photo provided by the Potomac-Chesapeake Dolphin Project, a dolphin leaps into the air in the Potomac River between Lewisetta and Smith Point, Va. This photo was made under NOAA NMFS permit numbers 19403 and 23782.
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ANN-MARIE JACOBY/POTOMAC-CHESAPEAKE DOLPHIN PROJECT VIA AP

In this May 2019 photo provided by the Potomac-Chesapeake Dolphin Project, dolphins swim together in the Potomac River between Lewisetta and Smith Point, Va. Dolphins are extremely playful animals and often swim close together, sometimes even touching fins. "We call it holding hands," says Janet Mann, who directs the nonprofit Potomac-Chesapeake Dolphin Project. This photo was made under NOAA NMFS permit numbers 19403 and 23782.
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ANN-MARIE JACOBY/POTOMAC-CHESAPEAKE DOLPHIN PROJECT VIA AP

In this May 2019 photo provided by the Potomac-Chesapeake Dolphin Project, dolphins swim together in the Potomac River between Lewisetta and Smith Point, Va. While friendly close contact is essential to dolphin social bonds, sharing space and air can also quickly spread disease. This photo was made under NOAA NMFS permit numbers 19403 and 23782.
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ASSOCIATED PRESS

Dawn is seen from the bow of the boat Ahoya in Chesapeake Bay near Smith Point Marina in Reedville, Va., on Friday, Sept. 10, 2021.
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ASSOCIATED PRESS

Researchers Melissa Collier, Anne-Marie Jacoby, and Janet Mann travel in their boat Ahoya in Chesapeake Bay near Smith Point Marina in Reedville, Va., on Friday, Sept. 10, 2021. Mann and other scientists are trying to understand how a highly contagious and lethal disease called cetacean morbillivirus — related to measles in humans and first detected in Virginia and Maryland waters — spread rapidly among dolphins along the Atlantic Coast from 2013 to 2015.
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ASSOCIATED PRESS

Researchers Anne-Marie Jacoby and Melissa Collier ride in the boat Ahoya in Chesapeake Bay near Smith Point Marina in Reedville, Va., on Friday, Sept. 10, 2021. To track a virus outbreak among East Coast dolphins, scientists are tracing the social networks of these playful animals in the Potomac River and Chesapeake Bay.
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ANN-MARIE JACOBY/POTOMAC-CHESAPEAKE DOLPHIN PROJECT VIA AP

In this August 2019 photo provided by the Potomac-Chesapeake Dolphin Project, a dolphin swims in the Potomac River between Lewisetta and Smith Point, Va. This photo was made under NOAA NMFS permit numbers 19403 and 23782.

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