Diseases like AIDS , SWINE FLU are caused by _________ .
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3
Answer:
a strain of influenza virus
Explanation:
Swine flu is caused by a strain of influenza virus that usually only infects pigs. Unlike typhus, which can be transmitted by lice or ticks, transmission usually occurs from person to person, not animal to person. You can't catch swine flu from eating properly cooked pork products
Answered by
2
Answer:
stain of influenza virus
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