“To keep your options as open as possible, I'd suggest being vaccinated against yellow fever, hepatitis A, typhoid, tetanus and polio.”

“You should also get vaccinations for typhoid, hepatitis A, polio, malaria and diphtheria.”

“For immunisation against polio three drops of the vaccine are put into the child's mouth, or they may be put on a sugar cube that is then eaten.”

“Though rare due to widespread vaccination efforts, poliomyelitis continues to pose a threat in some regions, causing paralysis and affecting the nervous system.”

“Neurological disorders, such as poliomyelitis and cerebral palsy, can also cause acquired club foot.”

“The viral disease known as poliomyelitis is highly infectious and can cause total paralysis and even death.”

“We studied the ultrastructural and cytoskeletal changes in host cells during poliovirus infection.”

“This serious limitation is not observed with canarypox or fowlpox vectors but applies to BCG, poliovirus, or human adenovirus.”

“But even if transmission of wild poliovirus is interrupted, as the GPEI hopes, Dr Henderson worries about what will come next.”