Table 3 System of categorisation of clinical scores in Mhyop+Pm dual-challenge study

Rectal temperature

37.5 °C – 39.5 °C

39.5 °C – 40.0 °C

> 40.0 °C – 40.9 °C

≥ 41.0 °C or < 37.5 °C

Demeanour

Normal

Mild Depression

(reduced activity, reduced alertness)

Moderate Depression

(reluctance to rise, reduced appetite)

Severe Depression

(recumbence, moribund)

Nasal discharge

Absent

Serous

Seromucoid

Mucoid

Coughing

Absent

1–2 dry cough

> 2 dry cough or 1–2

productive coughs

> 2 productive coughs

Respiration

Normal

Mild

(Slightly increased

rate or effort)

Moderate

(More pronounced increased rate and effort)

Severe

(Respiratory distress, open mouth breathing)