The maintenance and promotion of health is achieved through different combination of physical, mental and social well - being, together referred to as the "health triangle". It is also accepted by $WHO.$
$DPT$ is a class of combination vaccines against three infectious diseases in humans: diphtheria, pertussis, and tetanus.
According to $WHO$ health is a state of complete physical, mental and social well being of a person and not just absence of disease. Drugs and alcohol makes a person weaker. Typhoid is a diseases condition.
Edward Jenner discovered the vaccine for smallpox in $1798.$
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Anopheles
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Malaria
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Culex
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Filariasis
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Aedes
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Yellow fever, dengue, filariasis
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Solution : The recovery period was short and the disease lasted for a short time and the body immune system was able to eliminate it as it was acute.
$HIV$ infection is caused by the human immunodeficiency virus. You can get $HIV$ from contact with infected blood, semen, or vaginal fluids. Most people get the virus by having unprotected sex with someone who has $HIV.$ Another common way of getting it is by sharing drug needles with someone who is infected with $HIV.$
According to $WHO:$ “Health is a complete state of physical, mental and social well-being, and not merely the absence of disease or infirmity.”