BBCNEWS The Media Show December 19, 2021 16:52:00
Illness, but wouldn't stop the spread of the virus. delta in particular had made sure of that. and, by the end of the summer, it was also clear that two jabs would not be enough. people's immunity was waning. and, in many richer countries, including the us, that's exactly what happened. we need to see if there is waning against mild disease begins to translate into occurrence of more severe occurrences. in translate into occurrence of more severe occurrences.— translate into occurrence of more severe occurrences. in many richer countries. — severe occurrences. in many richer countries, inc...