People suffering from cowpox disease were resistant to ____.
Edward Jenner injected the cowpox virus into a patient suffering from smallpox and the patient was cured and never got the disease again.
In a survey conducted in 2015 for 7000 people, it was found that 3% of them were suffering from the flu. Find the number of people suffering from the flu.
In a survey conducted in the year 2015 for 7000 people, it was found that 3% of them were suffering from the flu. Find the number of people suffering from flu.