The World Health Organization (WHO) said on Wednesday that it aims to vaccinate more than 40,000 children against various diseases in Gaza, as it takes advantage of the recent ceasefire.The WHO and its partners already vaccinated over 10,000 children under the age of three in the first eight days of an initial phase of the campaign launched on November 9.WHO chief Tedros Adhanom Ghebreyesus said phase one of the programme has been extended until Saturday and hopes to protect children against measles, mumps, rubella, diphtheria, tetanus, whooping cough, hepatitis B, tuberculosis, polio, rotavirus and pneumonia.Phases two and three of the...