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bekas [8.4K]
3 years ago
6

What are some possible reason of epidemic in 1989-1991?

Biology
2 answers:
Andreyy893 years ago
5 0

Answer: People were probably not getting vaccinated or the bacteria became immune to the vaccine.

Explanation: yw plz mark brainliest i need one more (:

devlian [24]3 years ago
3 0
There were hardly any people getting vaccinations. Therefore they were all sick
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