One person has died and more than 400 have been hospitalised in southern India due to an unidentified infection that caused many to fall unconscious following seizures and nausea, a senior health department official said on Monday.<br /><br />Government and medical authorities in the southern state of Andhra Pradesh said that more than 200 people were discharged at the weekend and that tests had ruled out Covid-19, the infection caused by the novel coronavirus. Further serological tests are underway.<br /><br />"The causes of the outbreak are not known yet," the state government said in a statement, adding that people in all age groups appeared prone to the infection.<br /><br />Separately, India's federal health ministry said on Monday it would send a team of three medical experts to investigate the outbreak, which has infected more than 300 children, it said.
