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70
Report of the Medical Officer of Health.
in Ireland, four abroad, and four in other parts of England), while 13
were infected by previous cases.
With reference to the cases probably infected by eating shellfish,
two were from oysters, three from mussels, three from winkles, one
from cockles, one from whelks, and two from shrimps.
One of the cases from eating mussels proved fatal, but all the
others recovered.
The following are the particulars of the 12 cases:—
(1.) E. R., notified on the 9th September. Had oysters at Rhyl^.
North Wales. This patient went to Rhyl in July and returned
on the 1 st September. The first symptoms occurred about the
28th August, before returning to London.
(2.) H. A., notified on the 28th December. Had oysters regularly
from the 24th November up to 9th December from a shop in
Vauxhall, but the original source of the oysters could not be
ascertained. The first symptoms appeared about the 18th
December.
(3.) W. P., notified on the 1st March. Had mussels about two weeks
before first symptoms of illness appeared. This patient was a
'bus conductor and had nearly all his food away from home.
No information could be ascertained as to place of purchase of
mussels.
(4.) E. M., notified on the 4th August. Frequently ate mussels
obtained from peripatetic vendors. This case proved fatal.
(5.) M. P., notified on the 13th October. Had mussels about two
weeks before first symptoms appeared. These were purchased
from a coster's stall.
(6.) R. P., notified on the 25th August. Was in the habit of having
winkles nearly every Sunday, purchased from peripatetic
vendors.
(7.) M.S., notified on the 30th August. Had winkles at Gorlestou a
fortnight before the first symptoms appeared.
(8.) M. B., notified on the 23rd October. Had winkles a week before
the date of first symptoms. These were also purchased from a