The use of horse serum as an antibody supplement in the diphtheria vaccine is more than 100 years old. Horses used to be injected with small doses of bacteria that caused diphtheria so that they could develop antibodies.
A TV Channel Selector web portal has been launched by the Telecom Regulatory Authority of India for consumers who could not access its mobile phone app of the same name due to lack of a smartphone.
EXAMIANS