COVID-19: there is a new Variant BA.2 yet there are people who will not take the vaccine, known as vaccine-hesitants or those who are the conspiracy theorists who are totally anti-vaccine. Polio in 20th century Ireland; you met people who had contracted it, they suffered, some were paralysed, they had splints on their legs, they spent time in hospital. But then one day there was a miracle there was a vaccine. Polio was almost eradicated (smallpox is) but it emerges when the rules become lax and people say no to the vaccine. Source: nature briefing
In new setback for eradication campaign, poliovirus from Pakistan shows up in Africa Health officials hope to squash outbreak quickly
