Hepatitis A Virus. 1  Overview: Hepatitis A is a liver infection caused by the hepatitis A virus (HAV). HAV was first identified in 1973 as an icosahedral, non-enveloped virus with a diameter between 27 nm (nanometres) and 32 nm (Figure 1). The virus is a member of the genus Hepatovirus and belongs to the Picornavirus clade.
New Passport Instructions. Applicants must complete the DS-11 application form. The signature line will need to be left blank until the acceptance agent instructs you to sign it. In this and in all other cases below, two copies of the letter of authorization will then need to be completed by hand and signed in black or blue ink.
Step 2. Make a lightened black and white copy of your driverâs license or your state ID card and enlarge it 200%. (If a license is unavailable, click back to the state of birth for special instructions.) Step 3. Sign all forms in black ink in all places. (Note: There are two signatures needed on the form.)