MCQ
Salmonella typhosa causes
- AAn acute infection of intestine that causes high fever and weakness
- BEnlargement of spleen and pain in stomach
- CRose coloured rashes on the body
- ✓All of these
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$(i)$ Fleming, Chain and Florey were awarded the Nobel prize in $1945$
$(ii)$ Antibiotics have greatly improved our capacity to treat deadly diseases
$(iii)$ Penicillin was used to treat American soldiers wounded in World War I