VACCINES

VACCINES

against viruses

Attenuated

Inactivated

click to edit

made from living, weakened viruses

provide better protection diseases

made from dead viruses

create a srtonger immunity**

disease than inactivated vaccines

click to edit

generally more effective than inactived

protect against measles, mumps and rubella

click to edit

First way : use a nonpathogenic virus

second way : involving physicians weakening the virus in laboratory

difficult for lower-income nation

click to edit

still have risk

not suitable for pregnant woman or those who have undergone immune-system suppressing treatment

virus mutate to original form

lymphocyte activation

provide better protection against illinesses

not recommended for individuals with

Memory T and B cells circulate in the blood

against viruses

weaker immune system response