def get_epi_params(mcmc_params, strings_to_ignore=("dispersion_param",)):
    """
    Extract only the epidemiological parameters, ignoring the ones that were only used to tune proposal distributions,
    which end in dispersion_param.
    """

    return [
        param
        for param in mcmc_params[0].loc[:, "name"].unique().tolist()
        if not any(string in param for string in strings_to_ignore)
    ]