For any vaccination campaign to be successful vaccine supply, healthcare infrastructure and public support all need to be firmly in place. However, several internationals organizations have warned of threats to the various vaccinations campaigns that are underway . Some countries have suspended Covid-19 vaccines such as Norway suspended astrazeneca claiming that it cause blood clots and this just a sign that the Covid-19 vaccine cannot guarantee a 100% human safety and it has side effects. what do you think has hindered the vaccination across the globe ?

