11 Biology by Amjad Umer Ranjha
2- Disease Control Preventive Measures, Vaccination, Immunization,
Disease Control Preventive Measures, Vaccination, Immunization, Shots FSC Biology Book 1 (Lecture 2)
Amjad Umer Ranjha explained in this video lecture the disease control, biology and the service to mankind, Combating disease, Preventive Measures, Vaccination, Immunization, Shots, Edward Jenner work for vaccination, Louis Pasteure work.