Omicron BQ, XBB subvariants are a serious threat to boosters and knock out antibody treatments, study finds

Two years later, did Covid vaccines live up to their promise? Despite the success of mRNA vaccines, researchers think a new generation of Covid vaccines could provide broader, longer-term protection in the future. NBC News

...In particular, researchers think sprays or drops given through the nose or mouth could do a better job of stopping transmission. They also hope that vaccines that target multiple parts of the virus or several variants at once could reduce the need for continuous boosters.

...

China's COVID spike not due to lifting of restrictions - WHO director GENEVA (Reuters) -COVID-19 infections were exploding in China well before the government's decision to abandon its strict "zero-COVID" policy, a World Health Organization director said on Wednesday, quashing suggestions that the sudden reversal caused a spike in cases. The comments by the WHO's emergencies director Mike Ryan came as he warned of the need to ramp up vaccinations in the world's No. 2 economy. Speaking at a briefing with media, he said the virus was spreading "intensively" in the nation long before the lifting of restrictions. YahooNews

...

Dr. Sanjay Gupta: After two years of Covid-19 vaccines, here's why they're still vital | CNN In the United States, approximately 658 million Covid-19 vaccine doses have been administered since they were first distributed exactly two years ago Wednesday. Dr. Sanjay Gupta CNN

...