This article was originally published by Healthbeat. Sign up for its public health newsletters at healthbeat.org/newsletters. As more cases of bird flu emerge across the country, public health leaders in New York City are watching warily -- and making preparations in case the virus becomes a more immediate threat.

The Connecticut Department of Agriculture says bird flu has been found in a backyard flock in New Haven County.

ShopRite stores in the Tri-State Area are alerting customers about the national bird flu outbreak and its effect on egg supplies and increased pricing.

Last month, many stores put signs in their egg cases to explain that as of Jan. 1, most eggs sold in Michigan had to be from cage-free operations.