concerned? just the the escalation in the coughing and the the wheezing kind of cough. that didn t really stop until she was gasping for air. reporter: it takes to recover. health officials are working to understand the limits of the vaccine but say the is key line of defense and that a booster is critical for adolescents and adults. lisa stark, abc news, washington. in alaska, the coast guard to the rescue to two orphaned walrus calves. they were found malnourished and in desperate need of medical care, but there were no commercial flights. so the coast guard stepped in with an hc-130 hercules plane which flew the walrus babies to anchorage where they were taken by truck to alaska sea life center. they re going to be okay. off and on thunderstorms, east coast, storms, dakotas, wisconsin, and stormy in the southwest. with heavy downpours and flash