virus that helps your body develop an immune response without you developing symptoms of the disease it is intended to prevent. Examples include the oral polio, MMR, chickenpox, and smallpox vaccine.
Pakistan has reported three new poliovirus cases, raising this year's total to 55. These cases were found in Balochistan and Khyber Pakhtunkhwa. Despite ongoing efforts and discussions with ...
Pakistan's polio emergency heightens with two new cases in Sindh, raising the year's total to 52. Efforts intensify to eliminate the virus with international organizations urging emergency measures ...