Finally called out from work because I've been super sick the last few days and need rest. But no…

Finally called out from work because I've been super sick the last few days and need rest. But no one can cover! What's the point in having a full staff and subs if no one is ever available?! Now my boss is going to either ask me to come in anyway or have to cover it herself. I feel bad either way ☹️ but my child and my health come first