22,000 doses of AstraZeneca vaccines arrive in Bicol; <br /><br />Davao received 20,000 doses of AstraZeneca vaccines;<br /><br />Healthcare workers in Agusan del Norte encourage colleagues to get inoculated;<br /><br />Medical frontliners inoculated in Tandag City, Surigao del Sur;<br /><br /> 900 healthcare workers vaccinated in Marawi