COVID vaccine appointments become readily available in LA County; officials blame scheduling, not demand Published Drop-in appointments accepted at COVID-19 vaccine site at Cal State LA Amid a surplus of COVID-19 vaccines, officials said drop-in appointments were available at the COVID-19 vaccine site at Cal State LA. LOS ANGELES - Officials said drop-in appointments were available at the COVID-19 vaccine site at Cal State LA this week. In addition, more appointments are readily available at many Los Angeles city-operated sites. COVID-19 vaccination appointments -- often a hot commodity in Los Angeles County -- appeared widely available but the county's public health director said it was likely the result of scheduling issues, not a sign of dwindling demand.