André.php

<?php
$categories = get_the_category();
if ( ! empty( $categories ) ) {
	$current_cat = esc_html( $categories[0]->name );
}
echo do_shortcode('[ajax_load_more single_post="true" single_post_id="'. get_the_ID() .'" single_post_target=".type-post" post_type="post" single_post_order="query" category="' . $current_cat . '" pause_override="true"]'); ?>


OR

<?php
echo do_shortcode('[ajax_load_more single_post="true" single_post_id="'. get_the_ID() .'" single_post_target=".type-post" post_type="post" single_post_order="query" taxonomy="category" taxonomy_terms="' . $current_cat . '" taxonomy_operator="IN" pause_override="true"]'); ?>

?>