• The number of influenza A (H1N1) cases and deaths in India has risen sharply by about 6,200 and over 225, respectively.
• Rajasthan continues to report the most number of cases and deaths, followed by Gujarat. Deaths from H1N1 in Rajasthan have increased from 137 to 178, while in Gujarat the increase as been from 88 to 125.
• Delhi has the third most number of cases; the number increased from 2,738 to 3,484. However, the number of H1N1 deaths in Delhi has remained constant at seven.
• The number of cases in Uttar Pradesh, Maharashtra and Karnataka has nearly doubled in three weeks. Uttar Pradesh had 905 cases and nine deaths till February 24 but the numbers increased to 1,680 and 21, respectively.

What is swine flu?

• Swine flu, also known as the H1N1 virus, is a relatively new strain of an influenza virus that causes symptoms similar to the regular flu.
• The H1N1 infection was originally transmitted through contact with pigs, but now it can be spread from person to person.
• Its symptoms, which include fever, coughing, a sore throat, and body ache, are similar to the regular flu.
• But if not treated, the H1N1 infection can lead to more serious conditions, including pneumonia and lung infections.
• The risks are especially high for children under the age of five and the elderly.