More US grocery chains are implementing egg purchase limits as bird flu outbreaks continue to disrupt supplies, with California shoppers particularly feeling the squeeze through restricted purchases and early morning queues.

We talked to experts about where the science is on risks to humans and how the virus is messing with the food supply.

Farmers are having to take new measures to protect their flocks as bird flu cases are spreading across the country. NBC News’ Erin McLaughlin shows us how one farmer is keeping his chickens safe, but having to pass the cost on to his customers.

Some grocers are taking steps to stretch their existing egg supplies, the USDA found. It comes as the bird flu has caused egg prices to soar.

Texas grocery stores like Aldi and Sprouts are limiting how many eggs customers can purchase in response to the egg shortage. Here's what to know.

Trader Joe’s and other grocers are limiting the number of eggs customers can buy across the U.S., citing limited supply caused by the ongoing bird flu outbreak.