Yours just started laying! You can't expect them to be broody already?! Besides, let the incubus of viral plague incubate them. Then she'll be good for something besides staring into my soul.
In all of my years raising chickens, I've found the best broody hens I've had followed a pattern;
The 'smart girl' becomes a started pullet. Three to four weeks of this painful nonsense of pushing a mountain out of the eye of a needle and she decides to go broody instead.
So... they start gathering and hiding the eggs of her eggs and those of her sisters in some corner or another and screams at anyone or anything that dares to approach. Some three weeks later, this same hissing, biting hen can be seen in the front yard with the dominant rooster, cooing and softly clucking as she shows off her young and ensures them the safety of their place in the flock.
Three to four weeks later (sometimes longer), she weens the chicks and enjoys her broody hormones that cause her to not lay eggs... and then... a few weeks later, after she's regained her weight and condition, it happens. She lays an egg. She might even lay three or four eggs...
Now being a smart girl, and remembering how she got out of this painful job last time... she decides to do it again! My current 'smart girl' has only let me peek at three newborn chicks this time, but she's still sitting on the nest so I'm assuming she's still 'baking' a few more eggs before she considers herself done.
She's on her third round this year. She's such a smart girl.