A 2-year-old child has been ill with acute respiratory viral infection of upper thrice a year - in February, in April and in December. How should these occurences be recorded?

Answer options

1. It is necessary to fill in 3 statistic talons signed (-)
2. It is necessary to fill in 3 statistic talons signed (+)
3. It is necessary to fill in 1 statistic talon signed (+) and 2 statistic talons signed (-)
4. It is necessary to fill in 1 statistic talon signed (+)
5. It is necessary to fill in 1 statistic talon signed (-)