Table 1.

Inclusion criteria

Inclusion criteria
Patients born in 1948 or earlier
AND at least one of the following current symptoms with debut less than three weeks ago:
• Nasal congestion or runny nose
• Throat pain
• Fever
• Malaise
• Muscle pain
• Self-diagnosis of “the common cold”
• Diarrhoea or eye infection combined with laboratory values supporting an infection