up. on line, sales for prepackaged foods surging. this as china s national health commission warns of more cases. and publicly calls out shanghai for not effectively containing the virus, shifting blame to local officials for allowing it to spread to other places. china s strict zero-covid approach forcing dozens of cities into weeks long full or partial lockdowns. residents banging on pots to protest. most of the 24 million people in the northern chinese province confined to their homes for more than a month now. back in shanghai, the joys of freedom for some might last only a few hours as it takes just one new case nearby to send them back inside, vetting the clock for their community resetting the clock for their community. another 14-day sentence in lockdown. a seemingly endless cycle. david culver, cnn, shanghai. wow. is elon musk s attempt at a twitter takeover over?