Older adults and those with underlying medical conditions such as diabetes , heart disease , respiratory disease , hypertension , and compromised immune systems face increased risk of serious illness and complications and have been advised by the CDC to stay home as much as possible in areas of community outbreak .
According to a government policy review published by the Cochrane Library , early quarantine is an effective method to fight the pandemic , however , since each country has different conditions , it failed to identify the best way of adopting and relaxing policies .