The WHO has shared a list of 21 vaccine-preventable diseases on Twitter, saying, "Talk to your health worker to ensure vaccination is up to date for you and your family." The list includes COVID-19, Cervical cancer, Cholera, Diphtheria, Ebola, Hepatitis B, Influenza, Japanese encephalitis, Measles, Meningitis, Mumps, Pertussis, Pneumonia, Polio, Rabies, Rotavirus and Typhoid, among others.