why children from many parts of world are immune with hepatitis a and small pox
Answers
Answered by
2
Over the last 40 years, the use of smallpox, measles, diphtheria, tetanus, pertussis ... the World Health Assembly recommended hepatitis B vaccination for all infants. ... As most vaccine-preventable diseases are underreported in many countries, ... Most children born to immune mothers are protected from the virus for the first ...
mark me as brianliest
gangsterrebel:
hi
Similar questions