Source: China – South China Morning PostChina had administered 1.8 billion Covid-19 vaccine doses as of Wednesday, and was racing closer to herd immunity. But how would the country and others around the world deal with new variants that escape vaccine protection?While experts said that vaccines were still effective against Covid-19, breakthrough infections and vaccine resistance linked to the Delta and Lambda variants were causing concern.A British government advisory group has predicted a future in which Covid-19 will always be…Read More