Testing data reveal that about 8% of returned migrant workers in Bihar have tested positive for COVID-19. Until May 18, 8,337 COVID-19 tests have been conducted in Bihar on the returned migrant workers and out of this, about 650 came out to be COVID-19 positive. This rate is double the national average of 4%. This shows that the migrant workers that have returned to Bihar, include many asymptomatic Coronavirus carriers. Out of the 853 samples taken from Delhi-returned migrant workers in Bihar, 218 were found Coronavirus positive. This means one in every four Delhi-returned migrant worker in Bihar was found infected.