Living Alone or Together During Lockdown: Association with Mood, Immune Fitness and Experiencing COVID-19 Symptoms.

The first COVID-19 lockdown period in the Netherlands was a challenging period for both people who lived alone and those living together, resulting in decreases in mood and poorer perceived immune fitness. Those living alone were, however, more heavily impacted by the lockdown restrictions. This was further reflected by the increased presence and severity of COVID-19 symptoms in people who lived alone during the first COVID-19 lockdown in The Netherlands.