Tweak in surveillance leads to more reported Lyme disease cases in US

Although the number of reported Lyme disease cases in the United States in 2022 was nearly double the annual average from 2017 to 2019, the actual increase is not likely to have been that large, according to experts.
Writing in MMWR, Kiersten J. Kugeler, PhD, and colleagues from the CDC’s Division of Vector-Borne Diseases pinned the increase on a change to how Lyme disease is reported to the CDC’s National Notifiable Diseases Surveillance System (NNDSS).
According to the researchers, 62,551 Lyme disease cases were reported to the CDC in 2022 — 1.7 times the annual average of

Although the number of reported Lyme disease cases in the United States in 2022 was nearly double the annual average from 2017 to 2019, the actual increase is not likely to have been that large, according to experts.
Writing in MMWR, Kiersten J. Kugeler, PhD, and colleagues from the CDC’s Division of Vector-Borne Diseases pinned the increase on a change to how Lyme disease is reported to the CDC’s National Notifiable Diseases Surveillance System (NNDSS).
According to the researchers, 62,551 Lyme disease cases were reported to the CDC in 2022 — 1.7 times the annual average of