Persistent circulation of vaccine serotypes and serotype replacement after five years of UK infant immunisation with PCV13
Kandasamy R., VOYSEY M., Collins S., Berbers G., ROBINSON H., Noel I., HUGHES H., Ndimah S., Gould K., Fry N., Sheppard C., Ladhani S., SNAPE M., Hinds J., POLLARD A.