Covid-19 January 23, 2021 5:42 pm Study Links Immunity, Case Severity How long is a person protected from reinfection after having COVID-19? NBC 7’s Lauren Coronado spoke with a La Jolla institute scientist for the answer. US & World Videos 7:30 US Coast Guard crew helps save Oceanside Pier during fire | San Diego News Daily 2:48 Water contact closure lifted near Oceanside Pier, where massive fire erupted 0:27 1 killed, another injured in double stabbing in Escondido 0:44 13-year-old boy killed, others injured in suspected DUI crash in Escondido: Police 3:30 US Coast Guard crew helps save the Oceanside Pier