Second Covid wave much more stressful than first People working in sectors such as food service reported higher levels of stress and symptoms of depression according to the survey. Keystone / Gian Ehrenzeller Twice as many people in Switzerland are suffering from severe depression in the second wave of coronavirus as in the first wave, according to the latest survey on the pandemic and mental health. This content was published on December 17, 2020 - 16:10 December 17, 2020 - 16:10 Keystone-SDA/jdp The online survey of more than 11,000 people across the country found that 20% of people experienced maximum stress levels during the second wave in November compared with 11% during the peak of the first wave in April. The share of people with symptoms of severe depression rose from 9% to 18% in the same period. Only 3% reported such symptoms prior to the pandemic.