The U.S. has passed yet another grim milestone in its battle to contain Covid-19 with the number of cases now above the five million mark. While some countries, such as New Zealand, have successfully suppressed the pandemic, a vaccine now appears to be the only hope for much of humanity in breaking chains of infection and restoring some semblance of normality. When he was testifying before Congress, Dr. Fauci, America's top expert on infectious diseases, said he was optimistic a vaccine would be ready by early 2021.

Even if that happens, a large swathe of the American population would be unwilling to take it, according to a new Gallup poll. Conducted between July 20 and August 2, it found that more than a third of U.S. adults would be unwilling to take an FDA approved Covid-19 vaccine at no cost. It also recorded a considerable partisan divide in attitudes with 81 percent of Democrats indicating they would be willing to get vaccinated while 53 percent of Republicans said they would be unwilling.

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