The Latest: California governor signs vaccine bills

SACRAMENTO, Calif. (AP) — The Latest on vaccine legislation (all times local):

5:20 p.m.

California Gov. Gavin Newsom has signed bills to crack down on doctors who write fraudulent medical exemptions for children's vaccinations.

The Democratic governor acted less than an hour after lawmakers on Monday sent him changes he demanded as a condition of signing an earlier vaccine bill.

Lawmakers passed the second of the two bills despite protesters' efforts to disrupt the proceedings.

Newsom last week called for more changes to legislation aimed at doctors who sell fraudulent medical exemptions.

Lawmakers sent Newsom that bill last week. Sen. Richard Pan agreed to carry follow-up legislation giving school children grace periods that could last several years on existing medical exemptions.

Opponents delayed Assembly and Senate sessions, shouting their opposition. Several were detained as they blocked entrances to the Capitol in Sacramento.

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4:30 p.m.

California lawmakers have sent Gov. Gavin Newsom changes he demanded as a condition of signing a controversial bill that cracks down on medical exemptions for vaccines.

Lawmakers passed the companion bill Monday despite protesters' efforts to disrupt the proceedings.

Newsom last week called for more changes to legislation aimed at doctors who sell fraudulent medical exemptions.

Lawmakers sent Newsom that bill last week. But Sen. Richard Pan agreed to carry follow-up legislation giving school children grace periods that could last several years on existing medical exemptions.

The companion bill also makes it clear that enforcement will start next year and removes a requirement that doctors swear under penalty of perjury that they're not charging fees to fill out medical exemption forms.

Opponents continued their protests, with several detained as they blocked Capitol entrances.

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1:55 p.m.

Changes demanded by California's governor as a condition of signing a controversial vaccine bill have cleared their first hurdle.

The Assembly passed the companion bill, sending it to the Senate for a vote later Monday.

Gov. Gavin Newsom last week called for more changes to legislation intended to crack down on doctors who sell fraudulent medical exemptions.

Lawmakers sent Newsom that bill last week. But Sen. Richard Pan agreed to carry follow-up legislation giving school children grace periods that could last several years on existing medical exemptions.

The companion bill also makes it clear that enforcement will start next year. It removes a requirement that doctors swear under penalty of perjury that they're not charging fees to fill out medical exemption forms.

Several opponents were detained for blocking Capitol entrances.