{'fraction_non_alphanumeric': 0.053003533568904596, 'fraction_numerical': 0.038869257950530034, 'mean_word_length': 5.031914893617022, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Coronavirus Disease 2019 (COVID-19): Immune Responses, Transmission and Clinical features: An Update

A novel beta-coronavirus was reported in Wuhan, Hubei Province, China, which in December 2019, named SARS-CoV-2.  It causes Coronavirus Disease 2019 (COVID-19) that can affect lung tissue and airways. The immune system can respond to SARS-CoV-2 infection via various mechanisms. Cytokines play crucial roles in COVID-19. In the present study, the latest information on the immune responses, transmission, symptoms, diagnosis, and treatment of COVID-19 is reviewed.