Question about pneumococcal antibodies
mark at lishman.demon.co.uk
Sun Sep 27 09:26:51 EST 1998
I would be very grateful if anybody could help me with the following...
Please note, however, that I do NOT have a medical background so a
simple explanation would be much appreciated.
The following pneumococcal antibody levels are from a three-year-old boy
who suffered from pneumococcal meningitis when he was 18 months old.
Pneumococcal IgG 160 Titre Units
Pneumococcal IgG1 40 Titre Units
Pneumococcal IgG2 20 Titre Units
Haemophilus b Antibody 0.14 micro g/mL
Corynebacterium diphtheriae Antibody 0.81 iu/mL
Clostridium tetani antitoxin (IgG) ab. 0.05 iu/mL
I have these questions:
1. Are these levels significantly lower than for other children of his
age (i.e. three years old)?
2. What is the risk of further infection if he is faced with a
3. Besides pneumonia, what constitutes a 'pneumococcal challenge'? For
example, is recurring pneumococcal meningitis a possibility?
4. Is a pneumococcal vaccine likely to stimulate the production of
5. Are there any serious side effects with the vaccine?
6. Will taking Penicillin V twice daily inhibit the natural production
of the antibodies?
Any information regarding these issues would be welcome.
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