Common childhood communicable and infectious diseases

					Report to
			Infectious	Incubation	local health
	Disease	Transmission	agent	period	authority

Chickenpox	Direct and indirect contact with droplets from	Varicella-zoster	2-3 weeks; commonly	In some areas
			respiratory passages; extremely contagious disease				13-17 days
Tetanus	Tetanus spores enter body through a wound	Tetanospasmin	3-21 days; commonly	Case report
			contaminated with soil and feces; necrotic tissue				10 days		required
			favors the growth of the bacillus
Diphtheria	Direct or indirect contact with exudate from mucous	Corynebacterium	2-5 days	Case report
			membranes of infected person or carrier; raw milk		diphtheriae			required
			may also be a vehicle
Pertussis	Direct contact with droplets from respiratory passages	Bordetella pertussis	7-21 days; commonly	Case report
	(whooping						7 days		required
	cough)
Poliomyelitis	Direct and indirect contact with respiratory discharges	Enteroviruses: type	3-35 days; commonly	Case report
			and feces; fecal-oral route more common than		I most frequent,		7-14 days		required
			respiratory transmission		type II least
					frequent, type III
					second most
					frequent
Mumps	Direct contact with saliva droplets from infected	Virus	2-3 weeks; commonly	Case report
	(infectious		person			 18 days		required in
	parotitis)								some areas
Rubella	Direct or indirect contact with nasopharyngeal	Virus	14-23 days; commonly	Case report
	(German		secretions of infected persons; transplacental			 16-18 days		required
	measles)		transmission leads to congenital rubella syndrome
Rubeola	Direct or indirect contact with nasal secretions from	Paramyxovirus	Commonly 10 days;	Case report
	(hard		infected persons; highly communicable				8-13 days until		required
	measles)						fever, 14 days until
							rash