LONDON SCHOOL OF HYGIENE AND TROPICAL MEDICINE

INCORPORATING THE ROSS INSTITUTE
(UNIVERSITY OF LONDON)

 

Telephones:

Museum 3041 (4 lines} KEPPEL STREET
Langham 7621(5 lines/ ,

Telegrams: (GOWER STREET)
Hygower Westcent London LONDON, W.C.1.

13th March 1960.

Dear Esther,

I wonder if you could possibly help me by giving
me some salmonella strains for my work with the x phage,
It seems to me that, where there is any doubt about
the susceptibility of bacteria carrying particular
antigens, the clearest way of testing them is to
put them into a monophasic susceptibile strain.

My best susceptible strains are in Groups B and D

and I am looking for donor strains in these Groups

so that I can use phage P22. Have you by any chance
any P22- sensitive strains with antigens: k, y,

Zog2 2,9, lv, lw or 1,6 ? And I wonder if, in
particdtar, you still have, and could send mes

Salm, zega CDC -317 and the monophasic paratyphi B

SW 999 which has Ze in place of 1,2.

It would be awfully good of you if you could
manage this as at the moment I am rather stuck
with this part of the paper I am writing.

We are both looking forward very much to

seeing you here next month.

Yours sincerely,
r
~ L (uw én

[> coe Elinor Meynell.
Lat