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because at that time fetal blood contains no antibody against polio virus

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12y ago

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Which was the first district in India to declare itself polio-free along with its zero rate growth in population?

Pathanamt


How many years did it take for the number of cases of polio to fall to zero?

8 Years


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What does zero property of addition?

"Dose" is a measured portion of a medicine. So dose zero must refer to a placebo. Or if you are asking what is the zero property of addition: The zero property of addition states that adding zero to any number will not change the number. Thus: x + 0 = x


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What is it called when batsman is out on the third ball for zero?

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Zero Degrees Fahrenheit is called nothing. Zero degrees Celsius is the freezing point for water and the melting point for ice, while Zero degrees Kelvin is called Absolute zero. It is the temperature of space. Now, if you mean when water hits the zero degree celcius mark, it's called the freezing point.


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