| Disease | Cause and Remedy |
|---|---|
| $(a)$ Hepatitis | $(i)$ Cause: Hepatitis virus. $(ii)$ Remedy: Avoid contaminated food and water,and get vaccinated for Hepatitis $A$ and $B$. |
| $(b)$ $AIDS$ | $(i)$ Cause: Human Immunodeficiency Virus $(HIV)$. $(ii)$ Remedy: Avoid sharing needles,razors,or blades,and practice safe sexual contact. |
| $(c)$ Malaria | $(i)$ Cause: Protozoan parasite transmitted by female Anopheles mosquitoes. $(ii)$ Remedy: Maintain hygienic conditions,prevent water stagnation to stop mosquito breeding,and use mosquito repellents or nets. |
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| Disease | Causative organism | Mode of transmission |
|---|---|---|
| Dengue fever | $... (a) ...$ | $... (b) ...$ |
| $... (c) ...$ | Vibrio cholerae | Contaminated food and water |
| $... (d) ...$ | $HIV$ | $... (e) ...$ |
| Common cold | Virus | $... (f) ...$ |
| $S$.No. | Name of the disease | Causative organism | Mode of transmission |
|---|---|---|---|
| $1$. Polio | $(a)$ | Infection of virus directly/orally | |
| $2$. $(b)$ | Lyssa virus | Virus enters human body with saliva of an infected animal | |
| $3$. Typhoid | Salmonella typhi | $(c)$ |
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