Table 3

Prophylaxis guidelines for adults

InfectionCD4 Threshold
*Not routinely followed in the UK.
CMV, cytomegalovirus; MAI, Mycobacterium avium intracellulare; PCP, Pneumonocystis carinii.
PCPCD4 count below 200 ×106/l
ToxoplasmosisCD4 count below 100 ×106/l
MAICD4 count below 75 × 106/l
CMV*CD4 count below 50–100 × 106/l